Nathan Lane Roger
Paul Thomas Anderson Thanks
Joaquin Phoenix Beau Wassermann
Parker Posey Elaine Bray
Mariah Carey Songs
Bill Hader UPS Guy, Thanks
Amy Ryan Grace
David Fincher Thanks
Rooney Mara Thanks
Billy Mayo In Memory Of
Ari Aster Director, Writer, Producer, A Neighbor of Beau's (uncredited)
Patti LuPone Mona Wassermann
Stephen McKinley Henderson Therapist
Richard Kind Dr. Cohen
Kylie Rogers Toni
David Mamet Rabbi
Spike Jonze Thanks
Stephanie Herrera Martha
Fiona Crombie Production Design
Patrick Lima Dolly Grip
David Dinel Key Grip
Archie Madekwe Laughing Man
Julian Richings Strange Man
Joe Cobden News Correspondent (Brian Galloway)
Hélèna Laliberté Stunt Driver
Aarif Attarwala VFX Artist
Zoe Lister-Jones Young Mona
Denis Ménochet Jeeves
Lily Bird Samanda
Rod Smith First Assistant Director
Véronique Marchessault Assistant Costume Designer
Bo Burnham Thanks
Patrick Kwok-Choon Orphan Hero
Arthur Holden Duncan / God on Cloud / Hero Beau’s Wife
Julia Antonelli Teen Elaine
Michael Gandolfini Beau’s Son
Ruben Östlund Thanks
Luca Borghese Co-Producer
Adrian Knight Location Manager
Lars Knudsen Producer
Michael Esper Officer Johnson
Frédéric Amblard Set Designer
Anana Rydvald Teen Elaine's Mother
Alex Bisping Orphan Production Designer
Lorene Scafaria Thanks
Marko Costanzo Foley Artist
Théodore Pellerin Beau’s Son
Hayley Squires Penelope
Len Blavatnik Executive Producer
Tristan D. Lalla Costume Designer Orphan
Armen Nahapetian Teen Beau
Yuval Levy Visual Effects Supervisor
Bradley Fisher Birthday Boy Stab Man
Cat Lemieux Orphan Chorus Member
Bobby Krlic Original Music Composer
Félix Larivière Hair Designer
Danny Cohen Executive Producer
Alicia Rosario Liz
Manuel Tadros Cheapo Depot Cashier
Tyrone Benskin Rattled Businessman
Louis Craig Special Effects Supervisor
Lee Villeneuve Mona Henchman Who Throws Lawyer
Julie Breton Casting
Keegan McDougall VFX Artist
Steve Newburn Prosthetic Designer, Monster Puppeteer
Catherine Bérubé Hero Beau's Wife
Karim Babin Caterer
David McKeown Stunt Coordinator
Ann Ruark Executive Producer
Alex Stines Stunts
Lucian Johnston Editor
Mike Taylor Beau’s Son