Patrick McGoohan as Thomas Crimmin

Sylvia Syms as Kathleen

Walter Macken as Regan

Dermot Kelly as Donnelly

Jack Cunningham as Chief Warder

Hilton Edwards as Holy Healy

Philip O'Flynn as Prison Governor

Leo McCabe as Dr Flyn

Norman Rodway as Lavery

Marie Kean as Mrs. O'Hara

Pauline Delaney as Mickser's Wife

Geoffrey Golden as 1st Customs Official

Tom Irwin as 2nd Customs Official

Joseph O'Donnell as Poet

Agnes Bernelle as Meg

Iris Lawler as Minna

Dominic Roche as Prison Chaplain

Brian Hewitt-Jones as Jenkinson

Arthur O'Sullivan as 'Himself' - The Hangman

Aubrey Morris as Silvertop

Eamonn Brennan as Flaherty

Robert Bernal as Mickser

Gerry Alexander as Kelly

T. P. McKenna as Walsh

Harry Brogan as Dunlavin

Eric Gorman as Neighbour

James Caffrey as O'Connor

John Cowley as Cleary

John Welsh as Carroll

Eddie Golden as Reception Warder

David Kelly as Reception Clerk

Frank O'Donovan as Clancy

Desmond O'Neill as O'Shaughnessy

Aiden Grennell as Food Orderly

Derry Power as Stretcher Bearer

Brendan Cauldwell as Shamrock Attendant

Pat Layde as 1st Publican

Marie Conmee as Publican Woman

Michael C. Hennessy as 2nd Publican

James Brennan as Old Patriot

Ronnie Walsh as Irate Citizen

Charlie Roberts as Dock Worker

Marcella Grimes as Charwoman

Celia Salkeld as Lavery's Assistant