 | Toni Collette als Annie Graham |
 | Alex Wolff als Peter Graham |
 | Milly Shapiro als Charlie Graham |
 | Gabriel Byrne als Steve Graham |
 | Ann Dowd als Joan |
 | Mallory Bechtel als Bridget |
 | Brock McKinney als Aaron |
 | Jake Brown als Brendan |
| Morgan Lund als Mr. Davis |
| Zachary Arthur als Hispanic Boy |
| Austin R. Grant als Stoner |
| Gabriel Monroe Eckert als Stoner 2 |
| Mark Blockovich als Support Group Member |
| Kevin Scott Frakes | Producer |
| Lars Knudsen | Producer |
| Buddy Patrick | Producer |
| Ari Aster | Director |
| Scott E. Chester | Line Producer |
| Beau Ferris | Associate Producer |
| Jonathan Gardner | Executive Producer |
| Jeffrey Penman | Associate Producer |
| Colin Stetson | Music |
| Lucian Johnston | Editor |
| Jennifer Lame | Editor |
| Grace Yun | Production Design |
| Richard T. Olson | Art Direction |
| Brian Lives | Set Decoration |
| Olga Mill | Costume Design |
| Pawel Pogorzelski | Director of Photography |
| Abigail Steele | Key Makeup Artist |
| Greg T. Moon | Makeup Department Head |
| Steve Newburn | Makeup Effects Designer |
| Ashley Cook | Art Department Coordinator |
| Deborah Wheatley | Assistant Art Director |
| Brian Sullivan | Camera Operator |
| J. Owen Rogers | Gaffer |
| Timothy Reynolds | Best Boy Electric |
| Erik Christian Hansen | Lighting Technician |
| Landon Hill | Lighting Technician |
| Reid Chavis | Still Photographer |
| Briana Wall | Script Supervisor |
| Joe Rudge | Music Supervisor |
| Lex Hogan | Script Supervisor |
| Dann Fink | ADR Voice Casting |
| Rebecca Dealy | Casting Associate |
| Covey Quist | Set Costumer |
| Aaron Swenson | Wardrobe Supervisor |
| Joseph L. Garrard | Boom Operator |
| Ryan Pedersen | Boom Operator |
| Wen Hsuan Tseng | Foley Editor |
| Linzy Elliot | Sound Effects Editor |
| Lewis Goldstein | Sound Re-Recording Mixer |
| Tom Ryan | Sound Re-Recording Mixer |
| Lewis Goldstein | Supervising Sound Editor |
| Stephanie McGann | Visual Effects Coordinator |
| Eran Dinur | Visual Effects Supervisor |
| Lucien Harriot | Visual Effects Supervisor |
| Ryan Sonderegger | Visual Effects Supervisor |
| Caleb Rasak | Electrician |
| Sam Levy | Assistant Editor |
| Andrew K. Hodge | Location Manager |
| Ari Aster | Screenplay |
