Stuart Whitman
Principal Keeper
Dodie Stevens
Resko's Sister
Jack Kruschen
Resko's Father
Naomi Stevens
Resko's Mother
Robert H. Harris
Commissioner
Carmen Phillips
Connie Resko
Susan Silo
Cathy (as an adult)
Warren J. Kemmerling
Guard
John Dennis
Cell Block Guard
Vincent Barbi
Painter (uncredited)
Peter Besbas
Sculptor (uncredited)
John Dierkes
Cell Block Guard (uncredited)
Bobby Gilbert
Sculptor (uncredited)
Sid Kane
Sculptor (uncredited)
Lenny Kent
Painter (uncredited)
Johnny Kern
Convict (uncredited)
Ernesto Molinari
Sculptor (uncredited)
Norman Nazarr
Sculptor (uncredited)
Norman Stevans
Sculptor (uncredited)
Robert Swimmer
Guard (uncredited)
Robert White
Guard (uncredited)
