| Gemma Arterton | Catrin Cole |
| Sam Claflin | Tom Buckley |
| Bill Nighy | Ambrose Hilliard / Uncle Frank |
| Jack Huston | Ellis Cole |
| Helen McCrory | Sophie Smith |
| Jake Lacy | Carl Lundbeck / Brannigan |
| Richard Grant | Roger Swain |
| Rachael Stirling | Phyl Moore |
| Paul Ritter | Raymond Parfitt |
| Jeremy Irons | Secretary of War |
| Henry Goodman | Gabriel Baker |
| Eddie Marsan | Sammy Smith |
| Hubert Burton | Wyndham Best/Johnnie (The Hero) |
| Claudia Jessie | Doris Cleavely/Lily |
| Stephanie Hyam | Angela Ralli-Thomas/Rose |
| Michael Marcus | Alex, The Director |
| Gordon Brown | Chick, The 1st AD |
| Patrick Gibson | Rex, The Clapper Loader |
| Julia Lewis | The Make-Up Artist |
| Lily Knight | Rose Starling |
| Francesca Knight | Lily Starling |
| Clive Russell | Mr. Starling |
| Jay Simpson | Alf Reynolds |
| Richard Syms | Head Waiter |
| Darren Clarke | The Gaffer |
| Cathy Murphy | Vee |
| Emma Cunniffe | Ettie |
Technical Credits
| Lone Scherfig | Director |
| Lucy Bevan | Casting |
| Sebastian Blenkov | Cinematographer |
| Gaby Chiappe | Screenwriter |
| Ivan Dunleavy | Executive Producer |
| Finola Dwyer | Producer |
| Lizzie Yianni Georgiou | Makeup |
| Kate Rhodes James | Casting |
| Zygi Kamasa | Executive Producer |
| Elizabeth Karlsen | Producer |
| Laura Katz | Musical Direction/Supervision |
| Christine Langan | Executive Producer |
| Alice Mormington | Production Designer |
| Robert Norris | Executive Producer |
| Rachel Portman | Score Composer |
| Amanda Posey | Producer |
| Thorsten Schumacher | Executive Producer |
| Charlotte Walter | Costumes/Costume Designer |
| Peter Watson | Executive Producer |
| Ed Wethered | Executive Producer |
| Stephen Woolley | Producer |
| Lucia Zucchetti | Editor |
