Harry Styles as Tom Burgess

Emma Corrin as Marion Taylor

David Dawson as Patrick Hazlewood

Gina McKee as Older Marion

Rupert Everett as Older Patrick

Linus Roache as Older Tom

Kadiff Kirwan as Nigel

Dora Davis as Sylvie

Andrew Tiernan as Bert

Jack Bandeira as Leonard

Tristan Sturrock as Defence Lawyer

Ian Drysdale as Prosecutor

Richard Dempsey as Librarian

Maddie Rice as Jackie Stewart

Róisín Monaghan as Teacher #1

Sarah Lockett as Teacher #2

Paul Candelent as Main Workman

Joseph Potter as Roy

Richard Cant as Rudy

James Hare as Pier Visitor

Harry Attwell as Prison Officer

Michael Ayala-Cole as Teddy Boy

Freya Mavor as Julia