 | Noah Taylor als Lloyd Tate |
 | Paddy Considine als Graham Purvis |
 | Craig Roberts als Oliver Tate |
 | Yasmin Paige als Jordana Bevan |
 | Sally Hawkins als Jill Tate |
 | Steffan Rhodri als Mr. Davey |
 | Darren Evans als Chips |
 | Osian Cai Dulais als Mark Pritchard |
| Lily McCann als Zoe Preece |
| Otis Lloyd als Keiron |
 | Elinor Crawley als Abby Smuts |
 | Gemma Chan als Kim-Lin |
 | Melanie Walters als Jude Bevan |
 | Sion Tudor Owen als Brynn Bevan |
| Adrienne O'Sullivan als Jackie |
| Jonny Wier als Malcolm |
 | Lydia Fox als Miss Dutton |
 | Lynn Hunter als Gene |
| Claire Cage als News Reporter |
| Edwin Ashcroft als Dafydd |
| Andrew Phillips als Rhydian Bird / School Boy |
| James Alexander Hill als School Boy |
| Rikki Hall als School Boy |
| Tom Ryan als School Boy |
| James Jones als School Boy |
| Sophy Brady-Halligan als Watkins Twin |
| Tanya Brady-Halligan als Watkins Twin |
| Sarah Pasquali als Woman Who Looks Nothing Like Jordana |
 | Ben Stiller als Soap Opera Star (uncredited) |
| Jeremy Kramer | Executive Producer |
| Erik Wilson | Director of Photography |
| Mary Burke | Producer |
| Pauline Burt | Executive Producer |
| Peter Carlton | Executive Producer |
| Richard Ayoade | Director |
| Cass Marks | Line Producer |
| Chris Dickens | Editor |
| Sarah Pasquali | Art Direction |
| Tessa Ross | Executive Producer |
| Stuart Cornfeld | Executive Producer |
| Nick Fenton | Editor |
| Gary Williamson | Production Design |
| Linda James | Executive Producer |
| Paul Higgins | Executive Producer |
| Karen Lindsay-Stewart | Casting |
| Joe Dunthorne | Novel |
| Rebecca Davies | Producer |
| Will Clarke | Executive Producer |
| Ben Stiller | Executive Producer |
| Mark Herbert | Producer |
| Andrew Hewitt | Original Music Composer |
| Charlotte Walter | Costume Design |
| Andy Stebbing | Producer |
| Richard Ayoade | Writer |
| Ben Norrington | Dialogue Editor |
| Jennifer Harty | Makeup Artist |
| Mark Neale | First Assistant Editor |
| Cathy Cosgrove | Set Decoration |
| Tara McDonald | Makeup Designer |
| John Munro | Makeup Artist |
| Emma Stevens | Dialect Coach |
| Joe Geary | First Assistant Director |
| Peter Hallam | Property Master |
| Keith Partridge | Foley Editor |
| Joe Dunthorne | Script Consultant |
| Andy Lowe | Gaffer |
| Dean Rogers | Still Photographer |
| James Bellamy | Music Editor |
| Phil Canning | Music Supervisor |
| Tara McDonald | Hair Designer |
| James Feltham | Sound Effects Editor |
| Carole Salisbury | Script Supervisor |
| Hannah Walter | Costume Supervisor |
| Hannah Simpson | Production Coordinator |
| Lee Herrick | ADR Editor |
| Iwan Roberts | Location Manager |
| Matthew Ireland | Set Dresser |
| Ray De-Haan | Stunt Coordinator |
| Richard Philpott | Camera Operator |
| Simon Whalley | Executive Visual Effects Producer |
| Nigel Heath | Sound Re-Recording Mixer |
| Ally Gipps | Associate Producer |
| James Feltham | Sound Re-Recording Mixer |
| Gisela Evert | Post Production Supervisor |
| Alex Turner | Music |
| Alex Turner | Songs |
| Sarah Mahoney | Camera Trainee |
| Paul Cathie | Second Assistant Director |
| Dominic Channing-Williams | Third Assistant Director |
| Ian Hughes | Third Assistant Director |
