 | Jessie Buckley als Rose-Lynn Harlan |
 | Julie Walters als Marion |
 | Sophie Okonedo als Susannah |
 | Jamie Sives als Sam |
 | Craig Parkinson als Alan |
 | Adam Mitchell als Lyle |
| Daisy Littlefield als Wynonna |
 | Janey Godley als Jackie |
 | Louise McCarthy als Amanda |
 | Maureen Carr als Eileen |
 | Bob Harris als Bob Harris |
| Mark Hagen als Mark Hagen |
| Ryan Kerr als Rory |
| Nicole Kerr als Nell |
 | Matt Costello als Prison Officer #1 |
| Lesley Hart als Prison Officer #3 |
| Carol Pyper Rafferty als Prisoner #1 |
| Natalie McConnon als Prisoner #2 |
| Brian McQuade als Brian the Opry Barman |
| Vanya Eadie als Kirsty |
| Kern Falconer als Solicitor |
 | Benny Young als Judge |
| Margaret Mackenzie als Marion's Friend |
| Marianne McIvor als Cleaning Lady #1 |
| Carolyn Calder als Cleaning Lady #2 |
| Natali McCleary als Cleaning Lady #3 |
| Doreen McGillivray als Mary |
| Allison Simpson als Line Dance Teacher |
 | David McGowan als G4S Guy |
| Martin Docherty als Neighbour Man |
 | Tracy Wiles als Train Passenger |
| Josh Whitelaw als Guy on Train |
| Helen Katamba als Virgin Trains Staff |
 | Atta Yaqub als Doctor |
| Gemma McElhinney als Nurse |
| Maryam Hamidi als BBC Receptionist |
| Sondra Morton als Drake Motel Owner |
| Ashley Shelton als Roanne the Waitress |
| Robin Daugherty als Wyatt |
| J. Thomas Bailey als Ryman Security Guard |
 | Kacey Musgraves als Herself |
 | Ashley McBryde als Herself |
 | Aly Bain als Joe (Jaggy Nettles Band) |
| Phil Cunningham als Iver (Jaggy Nettles Band) |
| Aly Macrae als Colin (Jaggy Nettles Band) |
| Stuart Nisbet als Stuart (Jaggy Nettles Band) |
| Ben Nicholls als Eric (Jaggy Nettles Band) |
| Neill MacColl als Neill (Jaggy Nettles Band) |
| Chris Vatalaro als Roy (Jaggy Nettles Band) |
| Andy May als Andy (Jaggy Nettles Band) |
| Jane Patterson als Prison Officer 2 |
 | James Harkness als Elliot |
| George Steel | Cinematography |
| Tom Harper | Director |
| Jack C. Arnold | Music |
| Nicole Taylor | Writer |
| Faye Ward | Producer |
| Alison Owen | Delegated Producer |
| Kahleen Crawford | Casting Director |
| Anna Mary Scott Robbins | Costume Supervisor |
| Xavier Marchand | Delegated Producer |
| Natascha Wharton | Delegated Producer |
| Polly Stokes | Delegated Producer |
| Eugenio Pérez | Co-Producer |
| Leslie Finlay | Delegated Producer |
| Mark Eckersley | Editor |
| Jody Williams | Makeup Designer |
| Jody Williams | Hair Designer |
| Lucy Spink | Production Design |
| Polly Stevens | Art Direction |
| Martin McNee | Standby Art Director |
| Sheila Bartlett | Set Decoration |
| Claire Campbell | Production Manager |
| Stephen Carney | First Assistant Director |
| Colin Nicolson | Production Sound Mixer |
| Nadiya Luthra | Post Production Supervisor |
| Karen Elliott | Music Supervisor |
| Marnie Paxton | Script Supervisor |
| Harry Bowers | First Assistant Camera |
| Stefan R. Krzysiak | Second Assistant Camera |
| Josh Rowe | Camera Trainee |
| David Clarke | Grip |
| Zoe Smith | Second Assistant Director |
| Liam Shaw | Third Assistant Director |
| Amy Hogarth | Floor Runner |
| Harry Medland | Floor Runner |
| Thayna McLaughlin | Sound Assistant |
| Anna Toffolo | Art Department Assistant |
| Kathryn Tart | Assistant Costume Designer |
| Harriet Edmonds | Costume Supervisor |
| Freda Ellis | Hair Supervisor |
| Freda Ellis | Makeup Supervisor |
| Christina Baker | Makeup Artist |
| Isabel Chick | Production Accountant |
| Paula Fleming | Production Coordinator |
| Amy MacIlraith | Assistant Production Coordinator |
| Priya Bhakta | Production Secretary |
| Lewis Wardrop | Production Secretary |
| Kelly Allum | First Assistant Editor |
| Matthew Streatfield | First Assistant Editor |
| Craig Ferreira | First Assistant Editor |
| Robert Platt-Higgins | Post Production Coordinator |
| Paul Campbell | Property Master |
| Wayne King | Gaffer |
| Grant McLean | Best Boy Electric |
| Caroline Doney | Painter |
| Martin Henderson | Location Manager |
| Paul Hobbins | Unit Manager |
| Amy Palin-Tune | Assistant Location Manager |
| Caroline Stewart | Casting Associate |
| Ross Barratt | Casting Assistant |
| Carol Ann Crawford | Dialect Coach |
| Lee Walpole | Supervising Sound Editor |
| Saoirse Christopherson | Sound Effects Editor |
| Jeff Richardson | Dialogue Editor |
| Anna Wright | Foley Recordist |
| Catherine Thomas | Foley Artist |
| Gibran Farrah | ADR Recordist |
| Stuart Hilliker | Sound Re-Recording Mixer |
| Lee Walpole | Sound Re-Recording Mixer |
| Martin Gabriel | Visual Effects Producer |
| Jacqui Marchant-Adams | Visual Effects Coordinator |
| Karina Stefanisina | Visual Effects |
| Matt Curtis | Title Designer |
| Glynn Henderson | Health and Safety |
| Tony McKinnon | Health and Safety |
