 | George MacKay als Aaron |
 | Michael Smiley als Frank |
 | Nichola Burley als Jane |
 | Jordan Young als Michael |
 | Kate Dickie als Cathy |
 | Conor McCarron als Billy |
 | Brian McCardie als Dr Forbes |
 | Lewis Howden als Davie |
 | James Cunnigham als Aaron's Father |
| Sharon MacKenzie als Iris |
| Noah Irvine als Young Michael |
| Carson James Mullen als Young Aaron |
| Andrew Marley als Andrew |
| Davie Ritchie als Alex |
| Dylan Bruce als Aiden |
| Margo Lownie als Margo |
| Ross Laird als Ross |
| Debbie Dorwood als Moira |
| Colin Dempster als Priest |
| Bridget O'Hare als Flower Lady |
| Gavin Park als Harbour Man |
| Jordan Mennie als Bully |
| Andy Neil als Old Man in Church |
| Stewart Anderson als Punter |
| Scott Constantine als Coastguard |
| Jessie Jean Wright als Baby Aaron |
| Paul Wright | Director |
| Paul Wright | Writer |
| Mary Burke | Producer |
| Polly Stokes | Producer |
| Karl Liegis | Line Producer |
| Erik Enocksson | Original Music Composer |
| Benjamin Kracun | Director of Photography |
| Michael Aaglund | Editor |
| Kahleen Crawford | Casting |
| Danny Jackson | Casting |
| Simon Rogers | Production Design |
| Wendy Cairns | Art Direction |
| Jo Thompson | Costume Design |
| Maxine Dallas | Makeup & Hair |
| Stephanie Lynne Smith | Makeup & Hair |
| Mike Morrison | Post Production Supervisor |
| Elaine Mackenzie | First Assistant Director |
| Marilyn Edmond | Second Assistant Director |
| Hannah Green | Third Assistant Director |
| Per Boström | Sound Re-Recording Mixer |
| Stevie Haywood | Sound Mixer |
| Hannu Karppinen | Foley Recordist |
| Heikki Kossi | Foley Supervisor |
| Mark Lafbery | ADR Recordist |
| Janne Laine | Foley Editor |
| Christer Melén | Sound Effects Editor |
| Jay Radosavljevic | Boom Operator |
| Lionel Strutt | ADR Coordinator |
| Joakim Sundström | Supervising Sound Editor |
| Perry Costello | Special Effects Supervisor |
| Luke Dodd | Visual Effects Supervisor |
| Jessica Norton | Visual Effects Producer |
| Gary Arthurs | Stunt Coordinator |
| Andy Bennett | Stunt Coordinator |
| Laura Dinnett | Second Assistant Camera |
| James Hills | Camera Trainee |
| Andy Lowe | Gaffer |
| Agatha A. Nitecka | Still Photographer |
| Derrick Peters | First Assistant Camera |
| Emma Rees | Assistant Costume Designer |
| Alasdair Bayne | First Assistant Editor |
| Paul Ensby | Colorist |
| Andy Hague | Assistant Editor |
| Alexandra Montgomery | Post Production Coordinator |
| Anders Refn | Supervising Editor |
| Phil Canning | Music Supervisor |
| Lola Dauda | Script Supervisor |
| Jo Cameron Brown | Dialect Coach |
| Helen Taylor | Production Coordinator |
| Heikki Kossi | Foley Artist |
