Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst is interviewed upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch is interviewed upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch is interviewed upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch signs autographs upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch signs autographs upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch signs autographs upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Sophie Hunter mit Ehemann Benedict Cumberbatch bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Sophie Hunter with husband Benedict Cumberbatch at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

Jane Campion poses for photographers upon arrival at the premiere of the film 'The Tender Bar' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Jane Campion poses for photographers upon arrival at the premiere of the film 'The Tender Bar' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Roger Frappier und Caroline Dumas bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Roger Frappier and Caroline Dumas at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

Stephen Graham, right and Jason Flemyng pose for photographers upon arrival at the premiere of the film 'Boiling Point' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Robert Rinder poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Timothy Carlton und Wanda Ventham bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Timothy Carlton and Wanda Ventham at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Ben Townley, Producer Iain Canning. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

Sophie Hunter and Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Sophie Hunter. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Cinematographer Ari Wegner. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

Iain Canning attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Simon Gillis attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kodi Smit-McPhee attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Roger Frappier and Caroline Dumas attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Film Billboard. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Benedict Cumberbatch. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Benedict Cumberbatch, Sophie Hunter. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Stephen Graham, right and Jason Flemyng pose for photographers upon arrival at the premiere of the film 'Boiling Point' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Film Red Carpet and Stage. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Kirsten Dunst. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Kirsten Dunst. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Kirsten Dunst. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Kirsten DunstKodi Smit-McPhee. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Producer Tanya Seghatchian. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Robert Rinder AKA Judge Rinder. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

Jane Campion poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Ari Wegner bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Ari Wegner at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

Sophie Hunter and Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Sophie Hunter attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Sophie Hunter attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Jane Campion bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Jane Campion at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

Jane Campion bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Jane Campion at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

Kodi Smit-McPhee bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Kodi Smit McPhee at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Tanya Seghatchian bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Tanya Seghatchian at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch, right, and Sophie Hunter pose for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst is interviewed upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst is interviewed upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch, right, and Sophie Hunter pose for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Tanya Seghatchian attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Sophie Hunter and Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Sophie Hunter and Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Sophie Hunter and Benedict Cumberbatch attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Benedict Cumberbatch, right, and Sophie Hunter pose for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Benedict Cumberbatch, right, and Sophie Hunter pose for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Kodi Smit-McPhee poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Kodi Smit-McPhee poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Timothy Carlton und Wanda Ventham bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Timothy Carlton and Wanda Ventham at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

Benedict Cumberbatch bei der Premiere des Kinofilms The Power of the Dog auf dem 65. BFI London Film Festival 2021 in der Royal Festival Hall. London, 11.10.2021 *** Benedict Cumberbatch at the premiere of the feature film The Power of the Dog at the 65 BFI London Film Festival 2021 at the Royal Festival Hall London, 11 10 2021. Foto:xS.xVasx/xFuturexImage

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Kodi Smit-McPhee. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

Timothy Carlton and Wanda Ventham pose for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Timothy Carlton and Wanda Ventham pose for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Robert Rinder poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Robert Rinder poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Kodi Smit-McPhee. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

Simon Gillis attending The Power Of The Dog Premiere as part of the 65th BFI London Film Festival at the Royal Festival Hall in London, England on October 11, 2021. Photo by Aurore Marechal/ABACAPRESS.COM

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Film Billboard with press photographers. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Benedict Cumberbatch, Sophie HunterKirsten Dunst. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Kirsten Dunst. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Amber Doig-Thorne. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Sophie Hunter, Benedict Cumberbatch. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

Kodi Smit-McPhee poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Jane Campion poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Joel C Ryan/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Ari Wegner poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Robert Rinder poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Ari Wegner poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Simon Gillis poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

?The Power of the Dog? UK Premiere, 65th BFI London Film Festival at The Royal Festival Hall on October 11, 2021 in London, England. 11 Oct 2021 Pictured: Robert Rinder AKA Judge Rinder. Photo credit: Loredana Sangiuliano / MEGA TheMegaAgency.com +1 888 505 6342

Benedict Cumberbatch, right, and Sophie Hunter pose for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Benedict Cumberbatch poses for photographers upon arrival at the premiere of the film 'The Power Of The Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)

Kirsten Dunst poses for photographers upon arrival at the premiere of the film 'The Power of the Dog' during the 2021 BFI London Film Festival in London, Monday, Oct. 11, 2021. (Photo by Vianney Le Caer/Invision/AP)