Cast
| Hugh Grant | The Prime Minister |
| Laura Linney | Sarah |
| Colin Firth | Jamie Bennett |
| Alan Rickman | Harry |
| Bill Nighy | Billy Mack |
| Emma Thompson | Karen |
| Liam Neeson | Daniel |
| Martine McCutcheon | Natalie |
| Keira Knightley | Juliet |
| Rowan Atkinson | Rufus |
| Andrew Lincoln | Mark |
| Billy Bob Thornton | President of the United States |
| Joanna Page | Just Judy |
| Kris Marshall | Colin Frissell |
| Lúcia Moniz | Aurelia |
| Martin Freeman | John |
| Thomas Brodie-Sangster | Sam |
| Heike Makatsch | Mia |
| Chiwetel Ejiofor | Peter |
| Rodrigo Santoro | Karl |
| Claudia Schiffer | Carol |
| Gregor Fisher | Joe |
| Olivia Olson | Joanna Anderson |
| Abdul Salis | Tony |
| Shannon Elizabeth | Harriet |
| Denise Richards | Carla |
| Sienna Guillory | Jamie's Girlfriend |
| Ruby Turner | Mrs. Jean Anderson |
Crew
| Richard Curtis | Director, Executive Producer, Writer |
| Duncan Kenworthy | Producer |
| Tim Bevan | Producer |
| Eric Fellner | Producer |
| Michael Coulter | Cinematographer |
| Nick Moore | Film Editing |
| Jim Clay | Production Design |
| Craig Armstrong | Original Music |