 | Aaron Taylor-Johnson als John Lennon |
 | Anne-Marie Duff als Julia Lennon |
 | Kristin Scott Thomas als Mimi Smith |
 | David Threlfall als George Toogood Smith |
 | David Morrissey als Bobby Dykins |
 | Thomas Brodie-Sangster als Paul McCartney |
 | Josh Bolt als Pete Shotton |
 | Ophelia Lovibond als Maria Kennedy |
 | Andrew Buchan als Michael Fishwick |
 | James Johnson als Stan Parkes |
| James Jack Bentham als Rod Davis |
 | Jack McElhone als Eric Griffiths |
| Sam Bell als George Harrison |
 | Colin Tierney als Alf Lennon |
 | Kerrie Hayes als Corrine, Marie's Friend |
 | Paul Ritter als Pobjoy, headmaster |
 | Chris Coghill als Cunard Yank |
| Dan Armour als Percy Phillips |
 | Sam Wilmott als Colin Hanton |
| Frazer Bird als Len |
| Daniel Ross als Nigel |
| John Collins als Ivan |
| Richard Tate als Teacher |
| Richard Syms als Reverend |
 | Angela Walsh als Schoolmistress |
 | Simon Lowe als Guitar Shop Guy |
 | Lizzie Hopley als Cafe Waitress |
 | Angelica Jopling als Julia - aged 8 |
 | Baillie Walsh als Postman |
| Kevin Loader | Producer |
| Robert Bernstein | Producer |
| Sam Taylor-Johnson | Director |
| Tim Haslam | Executive Producer |
| Matt Greenhalgh | Screenplay |
| Nina Gold | Casting |
| Jon Diamond | Executive Producer |
| Alice Normington | Production Design |
| Charmian Adams | Art Direction |
| Julian Day | Costume Design |
| Will Gregory | Original Music Composer |
| Lisa Gunning | Editor |
| Alison Goldfrapp | Original Music Composer |
| Seamus McGarvey | Director of Photography |
| Barbara Herman-Skelding | Set Decoration |
| Mark Woolley | Executive Producer |
| Christopher Moll | Executive Producer |
| Douglas Rae | Producer |
| Bob Weinstein | Co-Executive Producer |
| Matt Delargy | Co-Producer |
| Harvey Weinstein | Co-Executive Producer |
| Giles Cooper | Consulting Producer |
| Jaynie Miller | Associate Producer |
| Tessa Ross | Executive Producer |
| James Saynor | Co-Producer |
| Paul Ritchie | Co-Producer |
| Rhodri Thomas | Co-Executive Producer |
| Jeremy Woodhead | Makeup Designer |
| Jeremy Woodhead | Hair Designer |
| Ian Neil | Music Supervisor |
| Jennifer Wynne | Production Manager |
| Alex Oakley | First Assistant Director |
| Susanna Lenton | Script Supervisor |
| Jason Wheeler | Location Manager |
| Paul Mooney | Hairdresser |
| Martin Trevis | Sound Mixer |
| John Midgley | Sound Mixer |
| Paul Cotterell | Sound Re-Recording Mixer |
| Louise Seymour | Post Production Supervisor |
| Simon Chase | Supervising Sound Editor |
| Mark Hopkins | Second Assistant Director |
| Mona Benjamin | Production Coordinator |
| John Miles | Production Accountant |
| Kharmel Cochrane | Casting Assistant |
| Robert Sterne | Casting Assistant |
| Les Child | Choreographer |
| William Conacher | Dialogue Coach |
| Peter Robertson | Camera Operator |
| Peter Robertson | Steadicam Operator |
| Peter Batten | "B" Camera Operator |
| Mark Milsome | "B" Camera Operator |
| Lee Walters | Gaffer |
| Paul Sharp | Best Boy Electric |
| Gary Hutchings | Key Grip |
| James Collins | Assistant Art Director |
| Colin Mutch | Property Master |
| Shahida Day | Assistant Costume Designer |
| Jane Marcantonio | Wardrobe Supervisor |
| Lesley Smith | Makeup & Hair |
| Liam Daniel | Still Photographer |
| Charles McDonald | Unit Publicist |
| Andy Bennett | Stunt Coordinator |
| Phillip Barrett | Foley Mixer |
| Simon Trundle | Foley Mixer |
| Paul Hanks | Foley Artist |
| Ian Waggott | Foley Artist |
| Vanessa Baker | ADR Voice Casting |
| Peter Clarke | Music Editor |
| Lisa Collins | Standby Painter |
