| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ben Weinstein | Crew | Camera | Director of Photography |
Bryan Hodge | Crew | Art | Art Direction |
Craig Wedren | Crew | Sound | Original Music Composer |
 David Wain | Crew | Writing | Screenplay, Director, Producer |
Howard Bernstein | Crew | Production | Producer |
Jill Kliber | Crew | Costume & Make-Up | Costume Design |
Katherine Lindberg | Crew | Directing | Script Supervisor |
Lisa Scoppa | Crew | Art | Set Decoration |
Lorraine Godfrey | Crew | Costume & Make-Up | Key Hair Stylist |
Mark White | Crew | Art | Production Design |
Meg Reticker | Crew | Editing | Editor |
 Michael Showalter | Crew | Writing | Screenplay, Producer |
 Susie Farris | Crew | Production | Casting |
 Theodore Shapiro | Crew | Sound | Original Music Composer |
Alison Chernick | Crew | Sound | Music Supervisor |
Patty Benson | Crew | Costume & Make-Up | Set Dressing Manager |
Paul Parreira | Crew | Sound | Music Supervisor |
 A.D. Miles | Cast | Actor | Gary |
 Amy Poehler | Cast | Actress | Susie |
Angel Berlane | Cast | Friends, Friends Girl #1 | |
Avi Setton | Cast | Actor | Standup Comic |
Benjamin Coppola | Cast | Bobby | |
Bob Walz | Cast | Drug Dealer | |
 Bradley Cooper | Cast | Actor | Ben |
 Cassidy Ladden | Cast | Actress | Mallrat Girl |
Christi Berlane | Cast | Friends, Friends Girl #2 | |
Christine Loebsack | Cast | Counselor | |
Christopher Connors | Cast | Raft Camper #2 | |
Christopher Cusumano | Cast | Medieval Kid | |
 Christopher Meloni | Cast | Actor | Gene |
Danny Hopkins | Cast | Raft Camper #1 | |
 David Hyde Pierce | Cast | Actor | Henry |
 Donna Mitchell | Cast | Actress | Gene's Wife |
 Elizabeth Banks | Cast | Actress | Lindsay |
 Gabriel Millman | Cast | Actor | Caped Boy |
 Gideon Jacobs | Cast | Actor | Aaron |
 H. Jon Benjamin | Cast | Actor | Can of Vegetables (voice) |
Ian Helfer | Cast | Bear Claw Coach | |
Jacob Shoesmith Fox | Cast | Moose | |
Jake Fogelnest | Cast | Actor | Silas |
 Janeane Garofalo | Cast | Actress | Beth |
Joe Bryan | Cast | Counselor | |
 Joe Lo Truglio | Cast | Actor | Neil |
Jordan MacLean | Cast | Alexa | |
Joseph Kariuki | Cast | Kenyan Runner | |
 Judah Friedlander | Cast | Actor | Ron |
Kathleen Pandolfo | Cast | Godspell Girl | |
 Ken Marino | Cast | Actor | Victor |
 Kevin Sussman | Cast | Actor | Steve |
Kevin Thomas Conroy | Cast | Mork Guy | |
 Kyle Gallner | Cast | Actor | Bobby's Buddy |
Liam Norton | Cast | Arty | |
 Madeline Blue | Cast | Actress | Cure Girl |
 Marguerite Moreau | Cast | Actress | Katie |
 Marisa Ryan | Cast | Actress | Abby |
Matt Carmeci | Cast | Bunk Boy | |
 Michael Ian Black | Cast | Actor | McKinley |
Michael Showalter | Cast | Actor | Coop / Alan Shemper |
 Molly Shannon | Cast | Actress | Gail |
 Nina Hellman | Cast | Actress | Nancy |
 Paul Rudd | Cast | Actor | Andy |
Peter Salett | Cast | Actor | Guitar Dude |
 Samm Levine | Cast | Actor | Arty (voice) (uncredited) |
Sandra Kennedy | Cast | Counselor | |
Stephen O'Brien | Cast | Juke Box Kid #1 | |
Timothy Gasiewski | Cast | Juke Box Kid #2 | |
 Whitney Vance | Cast | Actress | Valerie |
Zachary Montgomery-Wicks | Cast | Gail's Boy Camper | |
 Zak Orth | Cast | Actor | J.J. |
 Dan Klein | Cast | Jeremy | |
 Keith Oney | Cast | Counselor | |
| Person | Type | Job | Role(s) |
