Joaquin Phoenix Beau Wassermann
David Fincher Thanks
Parker Posey Elaine Bray
Paul Thomas Anderson Thanks
Bill Hader UPS Guy, Thanks
Rooney Mara Thanks
Amy Ryan Grace
Richard Kind Dr. Cohen
Julian Richings Strange Man
Hayley Squires Penelope
Spike Jonze Thanks
Stephen McKinley Henderson Therapist
Kylie Rogers Toni
Nathan Lane Roger
Théodore Pellerin Beau’s Son
Ari Aster Original Film Writer, Director, Producer, Writer, A Neighbor of Beau's (uncredited)
Patti LuPone Mona Wassermann
Arthur Holden Duncan / God on Cloud / Hero Beau’s Wife
Bo Burnham Thanks
Archie Madekwe Laughing Man
Denis Ménochet Jeeves
Michael Gandolfini Beau’s Son
Zoe Lister-Jones Young Mona
David Mamet Rabbi
Tyrone Benskin Rattled Businessman
Joe Cobden News Correspondent (Brian Galloway)
Lorene Scafaria Thanks
Max Berger Additional Editor
Kwasi Songui Orphan Ladybug Man
Billy Mayo In Memory Of
Michael Esper Officer Johnson
Len Blavatnik Executive Producer
Ryan Terk VFX Production Coordinator
Anana Rydvald Teen Elaine's Mother
Catherine Bérubé Hero Beau's Wife
Gord Robertson Monster Puppeteer
Julia Antonelli Teen Elaine
Ruben Östlund Thanks
Lars Knudsen Producer
Stephanie Herrera Martha
Pawel Pogorzelski Director of Photography
Dave Flynch Foley Supervisor
Teddy Blanks Title Designer
Fiona Crombie Production Design
Timo Argillander Executive Producer
Manuel Tadros Cheapo Depot Cashier
Paul Hsu Supervising Sound Editor, Sound Re-Recording Mixer
Cat Lemieux Orphan Chorus Member
Patrick Kwok-Choon Orphan Hero
Lily Bird Samanda
Hélèna Laliberté Stunt Driver
Harry Standjofski Superintendent / Catering Manager
Rod Smith First Assistant Director
Lucian Johnston Editor
Louis Craig Special Effects Supervisor
Tristan D. Lalla Costume Designer Orphan
Bradley Fisher Birthday Boy Stab Man
Sylvain Landry Orphan Man w/Mandolin
Luis Oliva Crust Punk (Eyes Gouged)
Karim Babin Caterer
Lee Villeneuve Mona Henchman Who Throws Lawyer
Emmanuel Schwartz Orphan Chorus Member
Steve Newburn Monster Puppeteer, Prosthetic Designer
Chris Carroll First Assistant Director
David McKeown Stunt Coordinator
Alex Bisping Orphan Production Designer
Marko Costanzo Foley Artist
Nicolas Gosselin Set Designer
Mike Taylor Beau’s Son
James Cvetkovski Boy Beau
Claude La Haye Production Sound Mixer
Melissa Fafard Makeup Artist