James Ronald Mulcahy
William Bendix
Father Edward John Carey
Nigel Patrick
Tinker
Joe Lynch
Postman Tim
Jimmy O'Dea
Caretaker
J.G. Devlin
Father Bernard
Christopher Casson
Supt. Lynch
Michael Brennan
Father Healey
Norman Rodway
Tinker's Mother
May Craig
Miss Mary Floyd
Yvonne Mitchell
Mark Wheeler (aka Johnny Nobody)
Aldo Ray
Prosecuting Counsel O'Brien
Cyril Cusack
Defending Counsel Sullivan
Niall MacGinnis
Photographer
Bernie Winters
Brother Timothy
Noel Purcell
Landlord O'Connor
Eddie Byrne
Judge
John Welsh
Director
Writer
Patrick Kirwan
Albert Z. Carr
Director of Photography
Ted Moore
Music
Ron Goodwin
Editor
Geoffrey Foot
Producer
John R. Sloan
Assistant Director
Ted Sturgis