Joaquin Phoenix Beau Wassermann
Bill Hader UPS Guy, Thanks
Amy Ryan Grace
Frédéric Amblard Set Designer
Parker Posey Elaine Bray
Luca Borghese Co-Producer
Mariah Carey Songs
Paul Thomas Anderson Thanks
David Fincher Thanks
Maev Beaty Angel / Play Narrator
Nathan Lane Roger
Richard Kind Dr. Cohen
Arthur Holden Duncan / God on Cloud / Hero Beau’s Wife
Kylie Rogers Toni
Kwasi Songui Orphan Ladybug Man
Rooney Mara Thanks
Cat Lemieux Orphan Chorus Member
Fiona Crombie Production Design
Julian Richings Strange Man
Patti LuPone Mona Wassermann
Anana Rydvald Teen Elaine's Mother
Stephanie Herrera Martha
Ari Aster A Neighbor of Beau's (uncredited), Director, Producer, Writer
Bentley Hughes Hero Beau's Young Son
Spike Jonze Thanks
Archie Madekwe Laughing Man
Lars Knudsen Producer
Colin Penman Makeup Department Head
Zoe Lister-Jones Young Mona
Bo Burnham Thanks
Yuval Levy Visual Effects Supervisor
Tyrone Benskin Rattled Businessman
Joaquín Cociña Animation
Ryan S. Hill Hero Beau's Young Son
Paul Hsu Sound Re-Recording Mixer, Supervising Sound Editor
Len Blavatnik Executive Producer
Joe Cobden News Correspondent (Brian Galloway)
Stephen McKinley Henderson Therapist
Ruben Östlund Thanks
Denis Ménochet Jeeves
Théodore Pellerin Beau’s Son
Ronald Gilbert Production Manager
Pawel Pogorzelski Director of Photography
Luis Oliva Crust Punk (Eyes Gouged)
David Mamet Rabbi
Michael Gandolfini Beau’s Son
Lorene Scafaria Thanks
Hayley Squires Penelope
Lily Bird Samanda
Billy Mayo In Memory Of
Manuel Tadros Cheapo Depot Cashier
Julia Antonelli Teen Elaine
Tyler Campellone Co-Producer
Marie-Michelle Claveau Assistant Makeup Artist
Lucian Johnston Editor
Karim Babin Caterer
Steve Newburn Monster Puppeteer, Prosthetic Designer
Marko Costanzo Foley Artist
Catherine Bérubé Hero Beau's Wife
Julie Breton Casting
Timo Argillander Executive Producer
Mike Taylor Beau’s Son
Danny Cohen Executive Producer
Bill Orrico Sound Editor, Dialogue Editor
Chris Carroll First Assistant Director
Félix Larivière Hair Designer
Tristan D. Lalla Costume Designer Orphan
Michael Esper Officer Johnson
Aarif Attarwala VFX Artist
Alicia Rosario Liz
Francis Péloquin Boom Operator
David McKeown Stunt Coordinator