 | Hugh Grant als Will Freeman |
 | Nicholas Hoult als Marcus Brewer |
 | Toni Collette als Fiona Brewer |
 | Rachel Weisz als Rachel |
 | Natalia Tena als Ellie |
 | Victoria Smurfit als Suzie |
 | Augustus Prew als Ali |
 | Sharon Small als Christine |
 | Madison Cook als Imogen |
| Jordan Cook als Imogen |
 | Nicholas Hutchison als John |
| Ryan Speechley als Barney |
| Joseph Speechley als Barney |
 | Denise Stephenson als Lindsey |
 | Chris Webster als Ellie's Friend |
 | Isabel Brook als Angie |
| Orlando Thor Newman als Louie, Angie's Kid |
| Paulette P. Williams als Bitter Ex-Girlfriend |
 | Susannah Doyle als Bitter Ex-Girlfriend |
| Fritha Goodey als Bitter Ex-Girlfriend |
| Delma Walsh als Bitter Ex-Girlfriend |
| Peter Roy als Will's Dad |
 | Rosalind Knight als Lindsey's Mum |
 | Sian Martin als Cute Waitress |
 | Joanne Petitt als Hairdresser |
 | Cathy Murphy als Nurse |
 | Mark Heap als Math Teacher |
 | Claire Harman als Skechers Shopgirl |
 | Jason Salkey als Amnesty International Worker Tom |
 | Annabelle Apsion als Amnesty International Worker |
 | Russell Barr als Maitre D' |
 | Joyce Henderson als Moira / SPAT |
 | Jenny Galloway als Frances / SPAT |
 | Janine Duvitski als Caroline / SPAT |
 | Alex Kew als Simon Cosgrove |
 | Murray Lachlan Young als New Year's Eve Party Guest |
 | Matthew James Thomas als Candy Thrower |
 | Aaron Keeling als Candy Thrower |
 | Sidney Livingstone als Park Keeper |
 | Bethany Muir als Child in Supermarket |
 | Tessa Vale als Class Teacher |
| Nick Hornby | Novel |
| Peter Hedges | Screenplay |
| Robert De Niro | Producer |
| Paul Weitz | Director |
| Remi Adefarasin | Director of Photography |
| Jim Clay | Production Design |
| Nick Hornby | Screenplay |
| Brad Epstein | Producer |
| Jane Rosenthal | Producer |
| Chris Weitz | Director |
| Eric Fellner | Producer |
| Tim Bevan | Producer |
| Chris Weitz | Screenplay |
| Nick Moore | Editor |
| Paul Weitz | Screenplay |
| Priscilla John | Casting |
| Badly Drawn Boy | Original Music Composer |
| Joanna Johnston | Costume Design |
| Graham Johnston | Makeup Designer |
| Graham Johnston | Hair Designer |
| Nick Angel | Music Supervisor |
| Nick Hornby | Executive Producer |
| Lynn Harris | Executive Producer |
| Nicky Kentish Barnes | Co-Producer |
| Debra Hayward | Co-Producer |
| Liza Chasin | Co-Producer |
| Hardy Justice | Co-Producer |
| Bernard Bellew | Production Manager |
| Christopher Newman | First Assistant Director |
| Peter Robertson | "A" Camera Operator |
| Peter Robertson | Steadicam Operator |
| Rod McLean | Supervising Art Director |
| Tony Dawe | Sound Mixer |
| Neil Chaplin | Production Accountant |
| Nikki Clapp | Script Supervisor |
| Graham Stumpf | Post Production Supervisor |
| Ann Lynch | Production Coordinator |
| Ben Howarth | Second Assistant Director |
| Alex Oakley | Third Assistant Director |
| John Arnold | Key Grip |
| René Adefarasin | Camera Loader |
| Jaya Bishop | Boom Operator |
| Tarn Harper | Post Production Accountant |
| Steve Hart | Location Manager |
| Lucy Williams | Unit Manager |
| Laura Dickens | Casting Assistant |
| Simon Cozens | First Assistant Editor |
| Richard LeGrand Jr. | Supervising Sound Editor |
| Gary S. Gerlich | Sound Editor |
| William Hooper | Sound Editor |
| Patrick O'Sullivan | Sound Editor |
| Walter Spencer | Dialogue Editor |
| Bob McNabb | ADR Supervisor |
| Norval D. Crutcher III | ADR Editor |
| Samuel Webb | Assistant Sound Editor |
| Lee Gilmore | Apprentice Sound Editor |
| Marilyn Graf | Foley Editor |
| Charles Martin Inouye | Supervising Music Editor |
| Andy Koyama | Sound Re-Recording Mixer |
| Chris Carpenter | Sound Re-Recording Mixer |
| Lorna McGowan | Makeup Artist |
| Carmel Jackson | Makeup Artist |
| Guy Speranza | Assistant Costume Designer |
| Claire Finlay-Thompson | Costume Supervisor |
| Helen Mattocks | Key Set Costumer |
| Martin Chitty | Costume Assistant |
| Louise Egan | Costume Assistant |
| Gary Freeman | Art Direction |
| Rosie Hardwick | Assistant Art Director |
| John Bush | Set Decoration |
| Barry Gibbs | Property Master |
| Nick Goodall | Carpenter |
| Peter Duffy | Carpenter |
| Joseph Alley | Carpenter |
| Darryl Carter | Carpenter |
| Paul Duff | Standby Carpenter |
| David Williamson | Standby Carpenter |
| Jeff Sullivan | Painter |
| Jamie Mills | Electrician |
| Dave Moss | Electrician |
| Sara Woodhatch | Actor's Assistant |
| Meghan Lyvers | Producer's Assistant |
| Jill McCullough | Dialogue Coach |
| Grahame Crowther | Stunt Coordinator |
| Stacy Mann | Unit Publicist |
| Laurie Sparham | Still Photographer |
| Bill Meadows | Sound Recordist |
| Ted Swanscott | ADR Mixer |
| Colin Cooper | ADR Recordist |
| Brendan Donnison | ADR Voice Casting |
| Vanessa Baker | ADR Voice Casting |
| Jim Passon | Color Timer |
| Theresa Repola Mohammed | Negative Cutter |
| Bryan Pennington | Dolby Consultant |
| Stephen McLaughlin | Scoring Mixer |
| Bill Hargreaves | Props |
