Cillian Murphy (Patrick 'Kitten' Braden), Stephen Rea (Bertie), Brendan Gleeson (John Joe Kenny), Liam Neeson (Father Liam), Eva Birthistle (Eily Bergin), Ruth Negga (Charlie), Laurence Kinlan (Irwin) more..., Bryan Ferry (Mr. Silky String), Ruth McCabe (Ma Braden), Morgan Jones (Building Site Worker), Mary Coughlan (Housekeeper), Conor McEvoy (Young Patrick Braden), Charlene McKenna (Caroline Braden), Seamus Reilly (Lawrence), Peter Owens (Butcher), Emmet Lawlor McHugh (Young Irwin), Bianca O'Connor (Young Charlie), Paraic Breathnach (Benny Feely), Pat McCabe (Peepers Egan / Schoolmaster), Owen Roe (Dean), Rynagh O'Grady (Mrs. Coyle), Steven Blount (1st Bouncer), Keith McCoy (2nd Bouncer), Liam Cunningham (1st Biker), Liam O'Toole (2nd Biker), Peter Halpin (Joseph Hanratty), Peter Gowen (Brother Barnabas), Mark Doherty (Running Bear), Gavin Friday (Billy Hatchett), Tony Devlin (White Dove), Kieran Lally (One of The Mohawks), Stephen McDaid (One of The Mohawks), Pete Reddy (One of The Mohawks), Maurice Seezer (One of The Mohawks), Lex Shrapnel (Soldier at Roadblock), Eamonn Owens (Jackie Timlin), Ciaran Nolan (Horse Killane), Mary Ryan (Mrs. Feely), Kathryn Pogson (Mrs. Henderson), Alan Moloney (Talking Navvie) and others.

Crispian Sallis (Set Decoration), Susie Figgis (Casting), Declan Quinn (Director of Photography), François Ivernel (Executive Producer), Stephen Woolley (Producer), Neil Jordan (Screenplay), Neil Jordan (Producer) more..., Tony Lawson (Editor), Michael Higgins (Art Direction), Cameron McCracken (Executive Producer), Pat McCabe (Screenplay), Pat McCabe (Novel), Denis Schnegg (Art Direction), Brendan McCarthy (Executive Producer), Eimer Ní Mhaoldomhnaigh (Costume Design), Sara Wan (Set Decoration), Alan Moloney (Producer), Susan Mullen (Associate Producer), Jo Homewood (Line Producer), Stephen Daly (Art Direction), Andrew Munro (Art Direction), Tom Conroy (Production Design), Sam Auguste (Foley Editor), Lynn Johnson (Makeup Artist), Sharon Doyle (Makeup Artist), Mark Woods (Executive Producer), Anna Jordan (Original Music Composer), Emma Bailey (Makeup Artist), Tom Johnson (Sound Re-Recording Mixer), Mark Auguste (Supervising Sound Editor), Daniel Laurie (Dialogue Editor), Daniel Laurie (ADR Editor), Brendan Donnison (ADR Voice Casting), Meg Clark (Post Production Supervisor), Eddie Quinn (Boom Operator), Peter Blayney (Sound Re-Recording Mixer), Tom Debenham (Visual Effects Supervisor), Patrick Condren (Stunt Coordinator), Jack Stew (Foley Artist), Alex Hudd (Dolby Consultant) and others.