Cillian Murphy as Patrick 'Kitten' Braden

Stephen Rea as Bertie

Brendan Gleeson as John Joe Kenny

Liam Neeson as Father Liam

Eva Birthistle as Eily Bergin

Ruth Negga as Charlie

Laurence Kinlan as Irwin

Bryan Ferry as Mr. Silky String

Ruth McCabe as Ma Braden

Morgan Jones as Building Site Worker

Mary Coughlan as Housekeeper

Conor McEvoy as Young Patrick Braden

Charlene McKenna as Caroline Braden

Seamus Reilly as Lawrence

Peter Owens as Butcher

Emmet Lawlor McHugh as Young Irwin

Bianca O'Connor as Young Charlie

Paraic Breathnach as Benny Feely

Pat McCabe as Peepers Egan / Schoolmaster

Owen Roe as Dean

Rynagh O'Grady as Mrs. Coyle

Steven Blount as 1st Bouncer

Keith McCoy as 2nd Bouncer

Liam Cunningham as 1st Biker

Liam O'Toole as 2nd Biker

Peter Halpin as Joseph Hanratty

Peter Gowen as Brother Barnabas

Mark Doherty as Running Bear

Gavin Friday as Billy Hatchett

Tony Devlin as White Dove

Kieran Lally as One of The Mohawks

Stephen McDaid as One of The Mohawks

Pete Reddy as One of The Mohawks

Maurice Seezer as One of The Mohawks

Lex Shrapnel as Soldier at Roadblock

Eamonn Owens as Jackie Timlin

Ciaran Nolan as Horse Killane

Mary Ryan as Mrs. Feely

Kathryn Pogson as Mrs. Henderson

Alan Moloney as Talking Navvie

Derek Elroy as Rasta Son

Mal White as Stephenson

Paul O'Toole as Barman in Wards

Antonia Campbell-Hughes as Stripper

Janet Moran as Hooker

Andy Moore as 1st Republican

Marc O'Shea as 2nd Republican

Rachel Donovan as Nurse

Neil Jackson as Man at Disco

Dominic Cooper as Squaddie at Disco

Alan Heyburn as Paramedic

Ian Hart as PC Wallis

Steven Waddington as Inspector Routledge

James Greene as Gentleman

Fiona Clarke as 1st Peep Show Girl

Gillian Johnson as 2nd Peep Show Girl

Chris McHallem as Punter

Sid Young as English Patrick

Britta Smith as Mrs. Clarke

Doreen Keogh as Shopkeeper

Catherine Dunne as Solidarity Lady

Tom Hickey as Bishop

Mark Lambert as Bishop's Secretary