Elenco - Duffy of San Quentin
Louis Hayward
Edward 'Romeo' HarperJoanne Dru
Anne HalseyPaul Kelly
Warden Clinton T. DuffyMaureen O'Sullivan
Gladys DuffyGeorge Macready
John C. WinantHorace McMahon
PiersonIrving Bacon
Doc SorinJoel Fluellen
Bill LakeJoe Turkel
Frank RobertsJonathan Hale
BoydGeorge Barrows
ConvictMarshall Bradford
LowellPeter Brocco
NealyGeorge Bruggeman
ConvictJames Conaty
Prison Board MemberRudy Germane
ConvictStuart Holmes
JudgeJohn Indrisano
Convict in Hospital WardPete Kellett
ConvictDeForest Kelley
Eddie LeeFrank Mills
ConvictJoseph C. Narcisse
ConvictJoey Ray
Prison GuardBert Stevens
WhitleyBrick Sullivan
GuardHarry Wilson
LouMichael McHale
Pinto