Nigel Patrick
— Father Edward John Carey
Yvonne Mitchell
— Miss Mary Floyd
William Bendix
— James Ronald Mulcahy
Aldo Ray
— Mark Wheeler (aka Johnny Nobody)
Cyril Cusack
— Prosecuting Counsel O'Brien
Bernie Winters
— Photographer
Niall MacGinnis
— Defending Counsel Sullivan
Noel Purcell
— Brother Timothy
Eddie Byrne
— Landlord O'Connor
John Welsh
— Judge
Joe Lynch
— Tinker
Jimmy O'Dea
— Postman Tim
Frank O'Donovan
— Garda
T. P. McKenna
— Garda
May Craig
— Tinker's Mother
Norman Rodway
— Father Healey
Michael Brennan
— Supt. Lynch
J.G. Devlin
— Caretaker
Christopher Casson
— Father Bernard