Brendan Gleeson

Father James Lavelle

Chris O'Dowd

Jack Brennan

Kelly Reilly

Fiona Lavelle

Aidan Gillen

Dr. Frank Harte

Dylan Moran

Michael Fitzgerald

Isaach de Bankolé

Simon

M. Emmet Walsh

The Writer

Marie-Josée Croze

Teresa

Domhnall Gleeson

Freddie Joyce

David Wilmot

Father Leary

Pat Shortt

Brendan Lynch

Gary Lydon

Inspector Stanton

Killian Scott

Milo Herlihy

Orla O'Rourke

Veronica Brennan

Owen Sharpe

Leo

David McSavage

Bishop Garret Montgomery

Mícheál Óg Lane

Mícheál

Mark O'Halloran

Prison Officer

Declan Conlon

Father

Anabel Sweeney

Girl