Ari Aster Director, Screenwriter, Producer Joaquin Phoenix Beau Actor Nathan Lane Roger Actor Amy Ryan Grace Actor Parker Posey Elaine Actor Patti LuPone Actor Stephen Henderson Actor Hayley Squires Elaine Actor Denis Ménochet Jeeves Actor Kylie Rogers Toni Actor Armen Nahapetian Teen Beau Actor Zoe Lister Jones Actor Michael Gandolfini Actor Lars Knudsen Producer Len Blavatnik Executive Producer Danny Cohen Executive Producer Timo Argillander Executive Producer Elisa Alvares Executive Producer Ann Ruark Executive Producer Pawel Pogorzelski Cinematographer Lucian Johnston Film Editing Bobby Krlic Original Music Fiona Crombie Production Design David Gaucher Art Director Jean-Pierre Paquet Art Director Charlotte Rouleau Art Director Stéban Sanfaçon Art Director Laurent Déry-Lauzier Set Decoration Alice Babidge Costume Design Julie Breton Casting Jim Carnahan Casting