 | Drew Barrymore als Erin Rankin Langford |
 | Justin Long als Garrett Scully |
 | Charlie Day als Dan Grant |
 | Jason Sudeikis als Box Saunders |
 | Christina Applegate als Corrine Berlin |
 | Ron Livingston als Will Broderick |
 | Natalie Morales als Brandy |
 | Kelli Garner als Brianna Jutsum |
 | Oliver Jackson-Cohen als Damon |
 | Jim Gaffigan als Phil Berlin |
 | June Diane Raphael als Karen Surgeoner |
 | Rob Riggle als Ron Surgeoner |
 | Sarah Burns als Harper |
 | Matt Servitto als Hugh O'Keefe |
 | Leighton Meester als Amy |
 | Taylor Schwencke als Maya |
 | Mike Birbiglia als Toby |
 | Graham Davie als Zach |
 | Zach Page als Zander |
| Mick Hazen als Zeff |
 | Happy Anderson als Terry |
 | Loretta Fox als Sandy |
 | Carole Davis als Carmen |
 | Kristen Schaal als Female Bartender |
 | Terry Beaver als Professor |
 | Charlie Hewson als Douchebag |
 | Meredith Hagner als Tanning Salon Employee |
| Geoff LaTulippe | Writer |
| Nanette Burstein | Director |
| Kevin Kavanaugh | Production Design |
| Mychael Danna | Original Music Composer |
| Eric Steelberg | Director of Photography |
| Catherine Marie Thomas | Costume Design |
| Peter Teschner | Editor |
| Kathleen Chopin | Casting |
| Michael Disco | Executive Producer |
| Juel Bestrop | Casting |
| Jennifer Gibgot | Producer |
| Dave Neustadter | Executive Producer |
| Richard Brener | Executive Producer |
| Garrett Grant | Producer |
| Adam Shankman | Producer |
| Jay Fortune | Gaffer |
| Seth Yanklewitz | Casting |
| Michael Queen | Compositors |
| Ray Fisher | Leadman |
| Dana Sano | Music Supervisor |
| Joseph E. Iberti | Unit Production Manager |
| Garrett Grant | Unit Production Manager |
| Mark Cotone | First Assistant Director |
| Yumiko Takeya | Second Assistant Director |
| Garrett Grant | Second Unit Director |
| Norman Douglass | Stunt Coordinator |
| Roy Farfel | Stunt Coordinator |
| Caroline Vexler | Stunts |
| D.J. Surgent | Stunts |
| David Schlesinger | Set Decoration |
| John Kasarda | Art Direction |
| Peter Rogness | Art Direction |
| Jessica Miglio | Still Photographer |
| Hamilton Longyear | Camera Loader |
| Jim McConkey | "A" Camera Operator |
| Jim McConkey | Steadicam Operator |
| Geb Byers | First Assistant "A" Camera |
| David Knox | "B" Camera Operator |
| Michael Barosky | Sound Mixer |
| Linda Murphy | Boom Operator |
| Nils Johnson | Video Assist Operator |
| George Patsos | Key Grip |
| Michele Paris | Makeup Artist |
| Debra L. Ferullo | Makeup Artist |
| Francesca Paris | Hairstylist |
| Jamal Hammadi | Hairstylist |
| Steven Kirshoff | Special Effects Coordinator |
| Laura Downing | Costume Supervisor |
| Mickey Carleton | Assistant Costume Designer |
| Jeff Butcher | Property Master |
| Mike Chock | Supervising Sound Editor |
| Mark A. Mangini | Sound Designer |
| Skip Lievsay | Sound Re-Recording Mixer |
| Tim LeBlanc | Sound Re-Recording Mixer |
| Thomas Jones | Supervising ADR Editor |
| Thomas Jones | Supervising Dialogue Editor |
| Michael Hertlein | Dialogue Editor |
| John C. Stuver | ADR Editor |
| Paul Aulicino | Sound Effects Editor |
| Richard Ford | Music Editor |
| Libby Umstead | Music Coordinator |
| Thomas J. O'Connell | ADR Mixer |
| Goro Koyama | Foley Artist |
| Andy Malcolm | Foley Artist |
| Ken Ryan | Production Accountant |
| Timothy Paustian | Transportation Captain |
| Gary Cergol | Graphic Designer |
| Glen Pangione | Construction Coordinator |
| John M. Pisani | Unit Publicist |
| Gary Burritt | Negative Cutter |
| Chris Regan | Color Timer |
| Mayda Renizzi-Holt | First Assistant Accountant |
| Gus Magalios | Best Boy Grip |
| Nina Kawasaki | First Assistant Editor |
| Ian Blume | First Assistant Editor |
