"After his death sentence is commuted to life in prison, John Resko is transferred from Sing-Sing to Dannemora where, with the help of a humane prison guard, he becomes a rehabilitated man and a successful painter."
Ben Gazzara
as John Resko
Stuart Whitman
as Principal Keeper
Ray Walston
as Iggy
Vincent Price
as Carl Carmer
Rod Steiger
as Tiptoes
Broderick Crawford
as Warden
Dodie Stevens
as Resko's Sister
Jack Kruschen
as Resko's Father
Sammy Davis Jr.
as Wino
Naomi Stevens
as Resko's Mother
Adam Williams
as Guard
Jack Albertson
as Teach
John Kellogg
Robert H. Harris
as Commissioner
Carmen Phillips
as Connie Resko
Timothy Carey
as Nick
Myron Healey
as Gunther
Lee Krieger
as Stanley
Josip Elic
as Vic the Barber
Arthur Malet
as Storekeeper
Robert Christopher
Reggie Nalder
as Greer
Kreg Martin
Susan Silo
as Cathy (as an adult)
Tom Gilson
as Lefty
Roland La Starza
as Duke
Warren J. Kemmerling
Andy Albin
as Inmate
John Close
John Dennis
as Cell Block Guard
Billy Varga
Burt Lange
as Gallery Man
Vincent Barbi
as Painter (uncredited)
Peter Besbas
as Sculptor (uncredited)
John Dierkes
as Cell Block Guard (uncredited)
Bobby Gilbert
Sid Kane
Lenny Kent
Johnny Kern
as Convict (uncredited)
Ernesto Molinari
Norman Nazarr
Norman Stevans
Robert Swimmer
as Guard (uncredited)
Robert White
Millard Kaufman
Director
Screenplay
John Resko
Author
George White
Editor
William Turner
Makeup Artist
Edward Morey Jr.
Production Supervisor
Clark L. Paylow
Assistant Director
Mickey Lewis
Ted Mossman
Property Master
James West
Construction Coordinator
Ralph Butler
Sound
Archie Dattelbaum
Sound Editor
Milton Olsen
Special Effects
Roger J. Weinberg
Wardrobe Master
Jim Henderling
Location Manager
Eve Newman
Music Editor
Robert Gary
Continuity
Technical Advisor
Doane Harrison
Producer's Assistant
A. Ronald Lubin
Producer
Leonard Rosenman
Original Music Composer
Joseph F. Biroc
Director of Photography
Howard Richmond
Art Direction
Joseph Kish
Set Decoration