Colin Farrell (Pádraic Súilleabháin), Brendan Gleeson (Colm Doherty), Kerry Condon (Siobhán Súilleabháin), Barry Keoghan (Dominic Kearney), Gary Lydon (Peadar Kearney), Pat Shortt (Jonjo Devine), Jon Kenny (Gerry) more..., Sheila Flitton (Mrs. McCormick), David Pearse (Priest), Bríd Ní Neachtain (Mrs. O'Riordan), Aaron Monaghan (Declan), Lasairfhíona Ní Chonaola (Female Singer), James Eugene Carty (Student Musician #1), Conor Connolly (Student Musician #2), Ryan Owens (Student Musician #3), John Carty (Older Musician #1), Oliver Farrelly (Older Musician #2)

Peter Kohn (Associate Producer), Peter Kohn (First Assistant Director), Ben Davis (Director of Photography), Paul Ghirardani (Supervising Art Director), Graham Broadbent (Producer), Eimer Ní Mhaoldomhnaigh (Costume Design), Martin McDonagh (Producer) more..., Martin McDonagh (Writer), Peter Czernin (Producer), Ollie Madden (Executive Producer), Mikkel E.G. Nielsen (Editor), Louise Kiely (Casting), Diarmuid McKeown (Executive Producer), Jo Homewood (Co-Producer), Joakim Sundström (Supervising Sound Editor), Jeanette McGrath (Script Supervisor), Eoin Holohan (Location Manager), Paul Byrne (Special Effects Supervisor), Judith Devlin (Costume Supervisor), Daniel Battsek (Executive Producer), Ben Knight (Executive Producer), Eimear O'Grady (Stunt Coordinator), Aislinn Ni Chuinneagain (Production Manager), Fionnuala O'Shea (Casting Associate), Elaine Hopkins (Makeup Artist), Virginia Reina (Standby Art Director), Carter Burwell (Original Music Composer), Mark Tildesley (Production Design), Des Whelan (Camera Operator), Daniel McNicoll (Digital Compositor), Aidan Monaghan (Still Photographer), Jonathan Hession (Still Photographer), Mohit Varde (Digital Compositor), Christine Fitzgerald (Art Direction), Thomas Evan Jones (Electrician), Mark Forbes (Scenic Artist), Osman Baloglu (Digital Compositor), Dolores McGinley (Visual Effects Supervisor), Mark McGowan (Gaffer), Duane Chard (Property Builder) and others.