| Jennifer Aniston | Alex Levy |
| Reese Witherspoon | Bradley Jackson |
| Billy Crudup | Cory Ellison |
| Mark Duplass | Chip Black |
| Greta Lee | Stella Bak |
| Julianna Margulies | Laura Peterson |
| Nestor Carbonell | Yanko Flores |
| Karen Pittman | Mia Jordan |
| Desean Terry | Daniel Henderson |
| Ruairi O'Connor | Ty Fitzgerald |
| Steve Carell | Mitch Kessler |
| Valeria Golino | Paola Lambruschini |
| Janina Gavankar | Alison Namazi |
| Holland Taylor | Cybil Richards |
| Embeth Davidtz | Paige |
| Oona Roche | Lizzy Craig |
| Hannah Leder | Isabella |
| Victoria Tate | Rena Robinson |
| Tara Karsian | Gayle Burns |
| Markus Flanagan | Gerard |
| Joe Marinelli | Donny Spagnoli |
| Joe Pacheco | Bart Daley |
| Shari Belafonte | Julia |
| Andrea Bendewald | Valerie |
| Eli Bildner | Joel Rapkin |
| Amber Friendly | Layla Bell |
| Foo Fighters | Foo Fighters |
| Theo Iyer | Kyle |
| Jack Conley | Earl |
| Choni Francis | RJ Smith |
| Sean Alexander James | Jimbo |
| Catherine Dyer | Teresa Bonner |
| Candice Ramirez | Jasmyn |
| Zak Lee | Professore Viola |
| Dave Grohl | Foo Fighters |
| Taylor Hawkins | Foo Fighters |
| Nate Mendel | Foo Fighters |
| Chris Shiflett | Foo Fighters |
| Pat Smear | Foo Fighters |
| Rami Jaffee | Foo Fighters |
| Violet Grohl | Foo Fighters' Background Vocalist |
| Barbara Gruska | Foo Fighters' Background Vocalist |
| Laura Mace | Foo Fighters' Background Vocalist |
| Samantha Sidley | Foo Fighters' Background Vocalist |
| Christine Heneise | Cocktail Waitress |
| Amy Shaughnessy | Control Room Producer |