 | Colin Firth als George Falconer |
 | Julianne Moore als Charley |
 | Nicholas Hoult als Kenny Potter |
 | Matthew Goode als Jim |
 | Jon Kortajarena als Carlos |
 | Paulette Lamori als Alva |
 | Ryan Simpkins als Jennifer Strunk |
 | Ginnifer Goodwin als Mrs. Strunk |
 | Teddy Sears als Mr. Strunk |
 | Paul Butler als Christopher Strunk |
 | Aaron Sanders als Tom Strunk |
 | Aline Weber als Lois |
 | Keri Lynn Pratt als Blonde Secretary |
 | Jenna Gavigan als Other Secretary #1 |
| Alicia Carr als Other Secretary #2 |
 | Lee Pace als Grant |
 | Adam Shapiro als Myron |
 | Ridge Canipe als Young Boy |
 | Elisabeth Harnois als Young Woman |
 | Erin Daniels als Bank Teller |
| Marlene Martinez als Maria |
 | Nicole Steinwedell als Doris |
 | Tricia Munford als Cashier |
 | Jon Hamm als Hank Ackerley (voice) (uncredited) |
 | Melissa Goodwin Shepherd als Student |
| Joan Sobel | Editor |
| Tom Ford | Director |
| Christopher Isherwood | Author |
| Abel Korzeniowski | Original Music Composer |
| Tom Ford | Screenplay |
| Tom Ford | Producer |
| Joseph Middleton | Casting |
| Chris Weitz | Producer |
| Andrew Miano | Producer |
| Robert Salerno | Producer |
| Eduard Grau | Director of Photography |
| Dan Bishop | Production Design |
| Amy Wells | Set Decoration |
| Ian Phillips | Art Direction |
| Arianne Phillips | Costume Design |
| David Scearce | Screenplay |
| Linda Arnold | Hairstylist |
| Kate Biscoe | Makeup Department Head |
| Cydney Cornell | Hair Department Head |
| Marie Larkin | Key Hair Stylist |
| Kristin Wahl | Key Hair Stylist |
| Michael Ward | Hairstylist |
| Gigi Williams | Key Makeup Artist |
| Tim Pedegana | Post Production Supervisor |
| Gay Perello | Property Master |
| Lars Petersen | Construction Coordinator |
| Jeff Blehr | Boom Operator |
| Brian Dunlop | Foley Editor |
| David Esparza | Sound Effects Editor |
| Robert Jackson | Supervising Sound Editor |
| Leslie Shatz | Sound Designer |
| John E. Gray | Special Effects Coordinator |
| Patrick J. Statham | Stunt Coordinator |
| Christopher Blauvelt | Camera Operator |
| Tom Boyd | Underwater Camera |
| Marty Carrillo | Best Boy Electric |
| George M. Chappell | Lighting Technician |
| Matt Horochowski | Dolly Grip |
| Rene Jimenez | Lighting Technician |
| Stephen MacDougall | First Assistant "B" Camera |
| Cedric Martin | Steadicam Operator |
| Melissa Moseley | Still Photographer |
| James Plannette | Gaffer |
| Robert Iannaccone | Key Costumer |
| Maida Pirich | Seamstress |
| Jonny Pray | Costume Supervisor |
| Ofe Yi | First Assistant Editor |
| Bryan Lawson | Music Editor |
| Julia Michels | Music Supervisor |
| Julie Pearce | Music Editor |
| Mark Cross | Production Coordinator |
| Karen Golden | Script Supervisor |
| Jim Hartz | Studio Teacher |
| Elizabeth Himelstein | Dialect Coach |
| Jack Stern | Studio Teacher |
| Don Bachardy | Creative Consultant |
