Cillian Murphy

Damien

Pádraic Delaney

Teddy

Liam Cunningham

Dan

Orla Fitzgerald

Sinead

Damien Kearney

Finbar

Frank Bourke

Leo

Aidan O'Hare

Steady Boy

Shane Casey

Kevin

Keith Dunphy

Terence

Noel O'Donovan

Station Guard

Frank O'Sullivan

Man in Pub

Roger Allam

Sir John Hamilton

William Ruane

Johnny Gogan

Sean McGinley

Father Denis

Denis Conway

Priest

Antony Byrne

Interrogator

William Armstrong

British Soldier

Jamie Lomas

British Soldier

Colin Parry

British Soldier

Siobhán McSweeney

Julia (uncredited)

Philip Wright

Man (uncredited)