| Elisabeth Moss | Becky Something |
| Cara Delevingne | Crassie Cassie |
| Dan Stevens | Danny |
| Agyness Deyn | Marielle Hell |
| Gayle Rankin | Ali van der Wolff |
| Ashley Benson | Roxie Rotten |
| Dylan Gelula | Dottie O.Z. |
| Eka Darville | Ya-ema |
| Lindsay Burdge | Lauren |
| Hannah Gross | Tiffany |
| Virginia Madsen | Ania Adamcyzk |
| Eric Stoltz | Howard Goodman |
| Amber Heard | Zelda E. Zekiel |
| Daisy Pugh-Weiss | Tama |
| Jessie Pinnick | Kat |
| Yusef Bulos | Dymoke |
| Keith Poulson | Keith the Engineer |
| Jeremy Sample | Security Guard |
| Kentucker Audley | Roy |
| Alexis Krauss | Vivvy |
Technical Credits
| Alex Ross Perry | Director,Producer,Screenwriter |
| John Arnos | Art Director |
| Alicia Bognanno | Songwriter |
| Fletcher Chancey | Production Designer |
| Jenai Chin | Makeup |
| Keegan DeWitt | Score Composer |
| Amanda Ford | Costumes/Costume Designer |
| Robert Greene | Editor |
| Christos V. Konstantakopoulos | Executive Producer |
| Rob Lowry | Musical Direction/Supervision |
| Elisabeth Moss | Producer |
| Matthew Perniciaro | Producer |
| Adam Piotrowicz | Producer |
| Ryan M. Price | Sound/Sound Designer |
| Anika Pyle | Songwriter |
| Jeremy Sample | Stunts |
| Michael Sherman | Producer |
| Patrick Southern | Sound Mixer |
| Sean Price Williams | Cinematographer |