Conor McMahon Director, Screenwriter, Film Editing Tommy Knight Tom Actor Ross Noble Stitches Actor Gemma-Leah Devereux Kate Actor John McDonnell The Motley Actor, Producer Valerie Spelman Mum Actor Eoghan McQuinn Richie Actor Laila Stack Young Kate Actor Lorna Dempsey Mary Actor Jemma Curran Jenny Actor Callum Maloney Young Bulger Actor Harry Behan Young Richie Actor David O'Brien Screenwriter Brendan McCarthy Producer Julianne Forde Producer Ruth Treacy Producer Hamza Ali Executive Producer Malik B. Ali Executive Producer Badie Ali Executive Producer Greg Newman Executive Producer Patrick Jordan Cinematographer Chris Gill Film Editing Paul McDonnell Original Music Ferdia Murphy Production Design Allison Byrne Costume Design Alison Crosbie Casting Nick McGinley Casting