Cast
| Joaquin Phoenix | Beau |
| Nathan Lane | Roger |
| Amy Ryan | Grace |
| Parker Posey | Elaine |
| Patti LuPone | |
| Stephen Henderson | |
| Hayley Squires | Elaine |
| Denis Ménochet | Jeeves |
| Kylie Rogers | Toni |
| Armen Nahapetian | Teen Beau |
| Zoe Lister Jones | |
| Michael Gandolfini |
Crew
| Ari Aster | Director, Producer, Screenwriter |
| 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 |