 | Tina Fey als 22 (voice) |
 | Alice Braga als Counselor Jerry (voice) |
 | Richard Ayoade als Counselor Jerry (voice) |
 | Micah Chen als Moonbeam (voice) |
 | Adela Drabek als Peanut (voice) |
 | Aiyanna Miorin als Zimmy (voice) |
| Karee Ducharme als Macaroni (voice) |
| Samantha Ho als D-Pac (voice) |
| Azriel Dalman als Neptune (voice) |
| Juliana Alcaron als Happy Soul (voice) |
| Trent Reznor | Original Music Composer |
| Noah Newman | Editor |
| Pete Docter | Executive Producer |
| Josh Cooley | Writer |
| Jamie Datz | First Assistant Editor |
| Atticus Ross | Original Music Composer |
| Tom MacDougall | Executive Music Producer |
| Jonathon Stevens | Sound Designer |
| Justin Pearson | Music Editor |
| Kevin Nolting | Director |
| Luke Martorelli | Director of Photography |
| Dana Murray | Executive Producer |
| Coya Elliott | Supervising Sound Editor |
| Jeremy Slome | Post Production Supervisor |
| Tiffany Erickson Klohn | Visual Effects Supervisor |
| Brett Schulz | Animation Supervisor |
| Lourdes Marquez Alba | Producer |
| Liz Marston | Sound Re-Recording Mixer |
| Rejean Bourdages | Storyboard Artist |
| Andy Grisdale | Director of Photography |
| Hyein Park | Storyboard Artist |
