 | Justin Long als Sam Newman |
 | Evan Rachel Wood als Birdie Hazel |
 | Keir O'Donnell als Eliot |
 | Busy Philipps als Ashley |
 | Sienna Miller als Sarah Schipper |
 | Mizuo Peck als Jemily |
 | Peter Dinklage als Gerard |
 | Sam Rockwell als Gary |
 | Vince Vaughn als Alan |
 | Jenn Harris als Jackie |
 | Demosthenes Chrysan als Cab Driver |
 | Lynn Cohen als Harriet |
 | David Margulies als Henry |
 | Tom Morrissey als Raymond |
 | Priscilla Lopez als Mercedes |
 | Emilio Delgado als Roberto |
 | Savannah Wise als Lilly |
 | Nick Fondulis als Kyle |
 | Brendan Fraser als Tony |
 | Peter Billingsley als Scott |
 | Gideon Glick als Fan |
 | Adam Johnson als Improv Comedian #1 |
 | Jee Young Han als Improv Comedian #2 |
 | Danielle Quisenberry als Dance Teacher |
 | Laura Jordan als Chanting Dancer |
 | Scott Adsit als Cheesy Announcer |
| Kat Coiro | Director |
| Keir O'Donnell | Screenplay |
| Christian Long | Screenplay |
| Adam Catino | Editor |
| John Papsidera | Casting |
| Logan Levy | Producer |
| Katie Mustard | Co-Producer |
| Cassian Elwes | Executive Producer |
| Christa Campbell | Executive Producer |
| Jessica Neuman | Executive Producer |
| Christian Long | Executive Producer |
| Holly Wiersma | Producer |
| Christian Mercuri | Executive Producer |
| Danny Dimbort | Executive Producer |
| Robert Ogden Barnum | Executive Producer |
| Paul Schnee | Casting |
| Lati Grobman | Executive Producer |
| Doug Chamberlain | Director of Photography |
| Lynn Falconer | Costume Design |
| Kerry Barden | Casting |
| Keir O'Donnell | Producer |
| Brice Sanderford | Executive Producer |
| Rick Butler | Production Design |
| Matt Landon | Editor |
| Justin Long | Producer |
| Mateo Messina | Original Music Composer |
| Jesse Kennedy | Producer |
| Justin Long | Screenplay |
| Allison Estrin | Casting Associate |
| Chris Carmody | Location Manager |
| Barbara Maia | Second Assistant Director |
| Talia Mendillo | Art Department Coordinator |
| Tom Paul | Supervising Sound Editor |
| Eric Milano | Dialogue Editor |
| Jonathan Ferrantelli | Associate Producer |
| Jessica Miglio | Still Photographer |
| Matt Amenta | Property Master |
| Scott Lazar | First Assistant Director |
| Richard Hebrank | Construction Coordinator |
| Michael Barosky | Sound Mixer |
| Rob Harlow | Key Grip |
| Ashley Fox | Makeup Department Head |
| Rich Delia | Casting Associate |
| Antoinette Scherer | Key Costumer |
| Satoko Ichinose | Key Hair Stylist |
| Tom Paul | Sound Re-Recording Mixer |
| Lauren Bratman | Executive In Charge Of Production |
| Sarah Hendrick | First Assistant Camera |
| Linda Källérus | First Assistant Camera |
| Dave Isern | Steadicam Operator |
| Ami Francis | Production Accountant |
| Robin Urdang | Music Supervisor |
| Alan Pierce | Camera Operator |
| Stayc St. Onge | Key Makeup Artist |
| Sarah Hindsgaul | Hair Department Head |
| Dave Isern | Camera Operator |
| Jean-Paul Chreky | Script Supervisor |
| Andrew Hansen | Best Boy Electric |
| Hollie Nadel | Assistant Costume Designer |
| John Carbonara | Music Editor |
| Nicole Duryea | Set Decoration |
| Jonathan Beck | Camera Operator |
| Dave Branum | Assistant Property Master |
| Eric Milano | ADR Editor |
| Terry Leonard | Line Producer |
| Danielle Quisenberry | Choreographer |
| Katie Mustard | Unit Production Manager |
| Manny Siverio | Stunt Coordinator |
| Lou Charles | Leadman |
| Marisa Ferrara | Costume Coordinator |
| Devin Flores | Stunts |
| Wyatt Tuzo | Boom Operator |
