 | Gwyneth Paltrow als Catherine Llewellyn |
 | Anthony Hopkins als Robert Llewellyn |
 | Jake Gyllenhaal als Harold 'Hal' Dobbs |
 | Hope Davis als Claire Llewellyn |
 | Danny McCarthy als Cop |
 | Tobiasz Daszkiewicz als Limo Driver |
 | Gary Houston als Professor Barrow |
 | Leigh Zimmerman als Friend at Party |
 | Colin Stinton als Theoretical Physicist |
 | Leland Burnett als Band Vocalist |
 | John Keefe als University Friend |
 | Chipo Chung als University Friend |
 | C. Gerod Harris als University Friend |
 | Roshan Seth als Professor Bhandari |
 | Anne Wittman als Friend at Party |
| Lolly Susi als Airport Check-In Lady |
| Suzanne Crowley | Casting |
| Mick Audsley | Editor |
| Stephen Warbeck | Original Music Composer |
| Bob Weinstein | Executive Producer |
| Harvey Weinstein | Executive Producer |
| John N. Hart | Producer |
| Jeffrey Sharp | Producer |
| Billy Hopkins | Casting |
| Kerry Barden | Casting |
| Mark Auguste | Supervising Sound Editor |
| John Madden | Director |
| Julie Goldstein | Executive Producer |
| David Auburn | Screenplay |
| David Auburn | Theatre Play |
| Charmian Adams | Supervising Art Director |
| Alwin H. Küchler | Director of Photography |
| James D. Stern | Executive Producer |
| Rebecca Miller | Screenplay |
| Alison Owen | Producer |
| Jill Taylor | Costume Design |
| Robert Kessel | Producer |
| Alice Normington | Production Design |
| Barbara Herman-Skelding | Set Decoration |
| Keith Slote | Art Direction |
| Charlotte Sewell | Costume Supervisor |
| Sam Auguste | Foley Editor |
| Rebecca Lafford | Makeup Department Head |
| Kim Armitage | Script Supervisor |
| Bruce Bigg | Property Master |
| Nicola Clarke | Hair Department Head |
| Peter Lindsay | Production Sound Mixer |
| Bill Kaye | Still Photographer |
| Becky Bentham | Music Supervisor |
| Nyree Pinder | Music Supervisor |
| Rebecca Gatrell | Music Supervisor |
| David Pinnington | Location Manager |
| Chris Baron | Musician |
