Spudvisor
Ben Gazzara

John Resko

Stuart Whitman

Principal Keeper

Vincent Price

Carl Carmer

Rod Steiger

Tiptoes

Dodie Stevens

Resko's Sister

Jack Kruschen

Resko's Father

Naomi Stevens

Resko's Mother

John Kellogg
Robert H. Harris

Commissioner

Carmen Phillips

Connie Resko

Myron Healey

Gunther

Lee Krieger

Stanley

Josip Elic

Vic the Barber

Arthur Malet

Storekeeper

Kreg Martin
Susan Silo

Cathy (as an adult)

Tom Gilson

Lefty

Andy Albin

Inmate

John Close

Guard

John Dennis

Cell Block Guard

Billy Varga
Burt Lange

Gallery Man

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)

Millard Kaufman

Screenplay

John Resko

Technical Advisor

Doane Harrison

Producer's Assistant

Edward Morey Jr.

Production Supervisor

Milton Olsen

Special Effects

Roger J. Weinberg

Wardrobe Master

Mickey Lewis

Assistant Director

Archie Dattelbaum

Sound Editor

Eve Newman

Music Editor

William Turner

Makeup Artist

James West

Construction Coordinator

Ralph Butler
Clark L. Paylow

Assistant Director

George White

Editor

Ted Mossman

Property Master

Jim Henderling

Location Manager

Robert Gary

Continuity

Joseph F. Biroc

Director of Photography

Howard Richmond

Art Direction

Joseph Kish

Set Decoration

Leonard Rosenman

Original Music Composer

A. Ronald Lubin

Producer