Harry Styles (Tom Burgess), Emma Corrin (Marion Taylor), David Dawson (Patrick Hazlewood), Gina McKee (Older Marion), Rupert Everett (Older Patrick), Linus Roache (Older Tom), Kadiff Kirwan (Nigel) more..., Dora Davis (Sylvie), Andrew Tiernan (Bert), Jack Bandeira (Leonard), Tristan Sturrock (Defence Lawyer), Ian Drysdale (Prosecutor), Richard Dempsey (Librarian), Maddie Rice (Jackie Stewart), Róisín Monaghan (Teacher #1), Sarah Lockett (Teacher #2), Paul Candelent (Main Workman), Joseph Potter (Roy), Richard Cant (Rudy), James Hare (Pier Visitor), Harry Attwell (Prison Officer), Michael Ayala-Cole (Teddy Boy), Freya Mavor (Julia)

Maria Djurkovic (Production Design), Steven Price (Original Music Composer), Ben Davis (Director of Photography), Ron Nyswaner (Screenplay), Caroline Levy (Executive Producer), Greg Berlanti (Producer), Julie Harkin (Casting) more..., Sarah Schechter (Producer), Robbie Rogers (Producer), Cora Palfrey (Producer), Philip Herd (Producer), Bethan Roberts (Novel), Sam Stevenson (Casting), Annie Symons (Costume Design), Christopher Atkinson (First Assistant Sound Editor), Steve Single (Other), Roddy McDonald (Assistant Editor), Matthew Swan (Dressing Prop), Gareth Cousins (Scoring Mixer), Ian Wilson (Supervising Sound Editor), Michael Riley (Executive Producer), Rae Hendrie (Casting Associate), Daisy White (Location Assistant), Yvonne Duckett (Costume Supervisor), Dean Moran (Carpenter), Susanna Lenton (Script Supervisor), Elizabeth Himelstein (Dialect Coach), Johnathan Rush (Other), Simon Trundle (Foley), Dan Morgan (Supervising Sound Editor), Jason Lawrence (Makeup & Hair), Paul Hanks (Foley Artist), John Marzano (Aerial Director of Photography), Carole Salisbury (Additional Script Supervisor), Lottie McDowell (Art Direction), Charlie Somers (Location Manager), Mark Michaels (Visual Effects Supervisor), Rebecca Higginson (Principal Costumer), Ben Gladstone (Location Scout), Lorna Gay Copp (Dressing Prop) and others.