| Dakota Fanning | Wendy |
| Toni Collette | Scottie |
| Patton Oswalt | Police Officer Frank |
| Alice Eve | Audrey |
| River Alexander | Sam |
| Marla Gibbs | Rose |
| Jessica Rothe | Julie |
| Michael Stahl-David | Jack |
| Stephanie Allynne | Nurse |
| Matty Cardarople | Geeksquad #1 |
| Matt Corboy | TV Host |
| William Stanford Davis | Creed |
| Elaine Anne Furst | Bus Passenger |
| Poppy Gagnon | Little Girl on Bus |
| Presley Haslam | Ruby |
| Edward Hong | Cinnabon Guy |
| Bill Kottkamp | Geeksquad #2 |
| Lara Lihiya | Actor |
| Farrah MacKenzie | Young Wendy |
| Heath McGough | Cashier |
Technical Credits
| Ben Lewin | Director |
| Lara Alameddine | Producer |
| Annie Bloom | Costumes/Costume Designer |
| John Collins | Production Designer |
| Ben Cosgrove | Executive Producer |
| Tim Crane | Executive Producer |
| Mary Jo Devenney | Sound Mixer |
| Daniel Dubiecki | Producer |
| Michael Golamco | Screenwriter |
| David Grace | Co-producer |
| Richard Hicks | Casting |
| Lindsey Moran | Art Director |
| Heitor Pereira | Score Composer |
| Geoffrey Simpson | Cinematographer |
