 | Julianne Moore als Evelyn |
 | Finn Wolfhard als Ziggy |
 | Billy Bryk als Kyle |
 | Alisha Boe als Lila |
 | Jack Justice als Jackie |
 | Jay O. Sanders als Roger |
 | Eléonore Hendricks als Angie |
 | Catherine Haun als Cath |
 | Annacheska Brown als Cyril |
 | Sara Anne als Becky |
 | Marika Rose Sayers als Politician |
| Felipe Jeantete als Corporate America |
 | Calhoun Koenig als Emcee |
| Colin Miller als Singer |
| Adrian Mackenzie als Bandana Guy |
 | Laura Love Tode als Barb |
 | Mimi Fletcher als Leslie |
 | Jordyn Aurora Aquino als Marci |
 | Monica Sanchez als Marcella |
 | DezBaa' als Didi |
| Kenneth McGlothin als Mr. Ryan |
 | Jeanette Aguilar Harris als Taryn |
| Dave McCary | Producer |
| Emma Stone | Producer |
| Jesse Eisenberg | Director |
| Meredith Lippincott | Production Design |
| Benjamin Loeb | Director of Photography |
| Angelique Midthunder | Casting |
| Susan Magestro | Set Decoration |
| Sara Shaw | Editor |
| Alan Lampert | Art Direction |
| Joshua Marsh | Costume Design |
| Gretchen Bright | Makeup Department Head |
| Ann Pala | Makeup Artist |
| Teri Ann Uccan | Hair Department Head |
| Jennifer DiLullo | Post Production Supervisor |
| Kirk W. Johnson | Unit Production Manager |
| Chelsey Danielsen | Property Master |
| Rachel Manera | Set Decoration Buyer |
| Vanessa Riegel | Graphic Designer |
| Phillip Bladh | Sound Mixer |
| Rose Bladh | Sound Mixer |
| Robert Fernandez | Sound Re-Recording Mixer |
| Michael Huber | Visual Effects Supervisor |
| Emile Mosseri | Original Music Composer |
| Ali Herting | Producer |
| Becky Glupczynski | Executive Producer |
| Jesse Eisenberg | Screenplay |
| Mary Kerrigan | First Assistant Director |
| Sarah Norris | Set Costumer |
| Damian Volpe | Supervising Sound Editor |
| Damian Volpe | Sound Re-Recording Mixer |
| Jesse Eisenberg | Writer |
| Christi Hennessy | Key Hair Stylist |
| Nicole Bridgeford | Hairstylist |
| Michael Rivera | ADR Recordist |
| Andrew Hubbard | Gaffer |
| Jake Magee | Camera Operator |
| Jeffrey M. Williams | Grip |
| Cherelle Cargill | ADR Voice Casting |
| Julian Petersen | Extras Casting |
| Stacey Rice | Casting Associate |
| Finn Wolfhard | Songs |
| Heidi M. Baca | Additional Hairstylist |
