Rooney Mara
Young Roseanne McNulty
Theo James
Father Gaunt
Vanessa Redgrave
Old Roseanne McNulty
Eric Bana
Dr. William Grene
Jack Reynor
Michael Eneas
Aidan Turner
Jack McNulty
Susan Lynch
Nurse
Tom Vaughan-Lawlor
McCabe
Charlie Kelly
Beau
Nika McGuigan
Chrissie
Antony Acheampong
G.I Grove
Omar Sharif Jr.
Daniel O'Brien
Pauline McLynn
Anne McCartney
Brian Fortune
Psychiatric Analyst
Elva Trill
Pregnant Woman
Laurence O'Fuarain
Detective
John Connors
Joe Brady
Lesa Thurman
Nurse O'Donnell
Enda Oates
Driver
Sheila Moylette
Angela
Shimmy Marcus
Doctor
Ian Meehan
Detective
Tony Doyle
Dessie
Ryan McAllister
Paddy
Geraldine McAlinden
Sister Mary
Michelle Ward
Pregnant Girl #4
Mark Quigley
Doctor
Rhea Townsend
Georgia
Colin Maher
Hospital Security Guard
Grant O'Hara
Eamonn
Hannah Faith
Susan
Noreen Gorman
Nurse with Whistle
Scott Murray
Checkpoint Soldier
Faolan Barry
Traveller boy
Ria Murphy
Tobacco Woman
Nigel Davey
Hangman
Christiane Reicke
Mental Patient
Derek Carroll
Villager (uncredited)