| Person | Type | Job | Role(s) |
|---|---|---|---|
 Al Goto | Crew | Crew | Stunt Coordinator |
 Alan Edward Bell | Crew | Editing | Editor |
 Chuck Zlotnick | Crew | Camera | Still Photographer |
 Eric Steelberg | Crew | Camera | Director of Photography |
Eyde Belasco | Crew | Production | Casting |
Gary Gegan | Crew | Sound | Sound Re-Recording Mixer |
Grady Allen Bishop | Crew | Crew | Driver, Camera Car |
Hope Hanafin | Crew | Costume & Make-Up | Costume Design |
Jenny Hinkey | Crew | Production | Unit Production Manager |
Jessica Tuchinsky | Crew | Production | Producer |
 John Koyama | Crew | Crew | Stunt Coordinator |
Lori Dovi | Crew | Sound | Sound mixer |
 Mark Waters | Crew | Production | Producer |
Matthew Iadarola | Crew | Sound | Sound Re-Recording Mixer |
Matthew Moriarty | Crew | Camera | Steadicam Operator, Camera Operator |
 Mychael Danna | Crew | Sound | Original Music Composer |
Piero Mura | Crew | Sound | Supervising Sound Editor, Sound Designer |
Renetta G. Amador | Crew | Directing | Script Supervisor |
Steven J. Wolfe | Crew | Production | Producer |
Jen Monnar | Crew | Sound | Music Editor |
 Marc Webb | Crew | Directing | Director |
 Mason Novick | Crew | Production | Producer |
 Rob Simonsen | Crew | Sound | Original Music Composer |
Scott Hyman | Crew | Production | Co-Producer |
Veronica Brooks | Crew | Production | Associate Producer |
Charles Varga | Crew | Art | Art Direction |
Jennifer Lukehart | Crew | Art | Set Decoration |
Laura Fox | Crew | Art | Production Design |
 Michael H. Weber | Crew | Writing | Screenplay |
 Scott Neustadter | Crew | Writing | Screenplay |
 Andrea von Foerster | Crew | Sound | Music Supervisor |
 Tony Friedkin | Crew | Camera | Still Photographer |
Jennifer Vecchiarello | Crew | Editing | Assistant Editor |
Marcy Lavender | Crew | Costume & Make-Up | Costume Supervisor |
Michael Rooney | Crew | Crew | Choreographer |
 Anthony Marciona | Cast | Actor | Dancer |
 Brandon Henschel | Cast | Dancer | |
 Bryan Anthony | Cast | Actor | Dancer |
 Christian Vincent | Cast | Actor | Dancer |
 Clark Gregg | Cast | Actor | Vance |
 Darryl Alan Reed | Cast | Actor | Bus Driver |
 Darryl Sivad | Cast | Actor | Usher |
 Geoffrey Arend | Cast | Actor | McKenzie |
 Gregory A. Thompson | Cast | Actor | Minister |
 Ian Reed Kesler | Cast | Actor | Douche |
 Jean-Paul Vignon | Cast | Actor | French Narrator (voice) |
 Jennifer Hetrick | Cast | Actress | Sarah (uncredited) |
John Jacquet Jr. | Cast | Actor | Dancer |
John R. Corella | Cast | Dancer | |
 Joseph Gordon-Levitt | Cast | Actor | Tom |
 Jull Weber | Cast | Actor | Dancer |
 Kenneth Hughes | Cast | Actor | Dancer |
 Maile Flanagan | Cast | Actress | Rhoda |
 Nadine Ellis | Cast | Actress | Dancer |
 Patricia Belcher | Cast | Actress | Millie |
 Rachel Boston | Cast | Actress | Alison |
 Reshma Gajjar | Cast | Actress | Dancer |
 Richard McGonagle | Cast | Actor | Narrator (voice) |
 Sybil Azur | Cast | Actress | Dancer |
 Tiffany Granath | Cast | Actress | Dancer |
 Tracy Phillips | Cast | Actress | Dancer |
 Valente Rodriguez | Cast | Actor | Employee #1 |
 Zooey Deschanel | Cast | Actress | Summer |
 Alejandro Estornel | Cast | Actor | Dancer |
 Chloë Grace Moretz | Cast | Actress | Rachel |
 Gustavo Carr | Cast | Actor | Dancer |
 Matthew Gray Gubler | Cast | Actor | Paul |
 Minka Kelly | Cast | Actress | Autumn |
 Nicole Vicius | Cast | Actress | Partygoer |
Tim Lacatena | Cast | Actor | Dancer |
 Yvette Nicole Brown | Cast | Actress | New Secretary |
 Alexandra Nicole Hulme | Cast | Actress | Dancer |
 Christopher Martinez | Cast | Actor | Dancer |
John Mackie | Cast | Actor | Mime |
 Vivian Nixon | Cast | Actress | Dancer |
Charles Walker | Cast | Actor | Millie's New Husband |
 Rebecca Lin | Cast | Actress | Dancer |
 Jennifer Hamilton | Cast | Actress | Dancer |
Natalie Boren | Cast | Actress | Another Partygoer |
 Samantha Krutzfeldt | Cast | Actress | Charlie (uncredited) |
 Nathan Prevost | Cast | Actor | Dancer |
Michael Higgins | Cast | Actor | Dancer |
 Gelsey Weiss | Cast | Actress | Dancer |
 Katie Malia | Cast | Actress | Dancer |
 Ryan Thomas | Cast | Actor | Dancer |
 Jennifer Lee Keyes | Cast | Actress | Dancer |
 Cheryl Baxter | Cast | Actress | Dancer |
 Olivia Howard Bagg | Cast | Actress | Summer - Age 12 (uncredited) |
Jacob Stroop | Cast | Cupid | |
Sid Wilner | Cast | Grossman | |
Adam Emery | Cast | Tom - Age 12 (uncredited) | |
 Chris Connell | Cast | Marcus (uncredited) | |
 Pleasant Wayne | Cast | Actress | Tavern Patron (uncredited) |
 Eileen Álvarez | Cast | Actress | Summer Lookalike (uncredited) |
 Kathryn Weisbeck | Cast | Actress | Summer Lookalike (uncredited) |
| Person | Type | Job | Role(s) |
