Louis Hayward
Edward 'Romeo' Harper
Joanne Dru
Anne Halsey
Paul Kelly
Warden Clinton T. Duffy
Maureen O'Sullivan
Gladys Duffy
George Macready
John C. Winant
Horace McMahon
Pierson
Irving Bacon
Doc Sorin
Joel Fluellen
Bill Lake
Joe Turkel
Frank Roberts
Jonathan Hale
Boyd
George Barrows
Convict
Marshall Bradford
Lowell
Peter Brocco
Nealy (uncredited)
G
George Bruggeman
Convict
J
James Conaty
Prison Board Member (uncredited)
R
Rudy Germane
Convict
Stuart Holmes
Judge
J
John Indrisano
Convict in Hospital Ward
Pete Kellett
Convict
DeForest Kelley
Eddie Lee
Frank Mills
Convict (uncredited)
Joseph C. Narcisse
Convict
Joey Ray
Prison Guard
B
Bert Stevens
Whitley
B
Brick Sullivan
Guard
Harry Wilson
Lou
Michael McHale
Pinto