James Stewart

P.J. 'Jim' McNeal

Richard Conte

Frank W. Wiecek

Lee J. Cobb

Brian Kelly

Helen Walker

Laura McNeal

Betty Garde

Wanda Skutnik

Kasia Orzazewski

Tillie Wiecek

Howard Smith

K.L. Palmer

Moroni Olsen

Parole Board Chairman

John McIntire

Sam Faxon

Paul Harvey

Martin J. Burns

Robert Adler

Taxicab Driver (uncredited)

Truman Bradley

Narrator (voice) (uncredited)

Michael Chapin

Frank Wiecek Jr. (uncredited)

James Dime

Poker Player (uncredited)

Rex Downing

Copy Boy (uncredited)

Ben Erway

Photo Lab Technician (uncredited)

Helen Foster

Secretary (uncredited)

Jonathan Hale

Governor's Aide Robert Winston (uncredited)

Percy Helton

Mailman William Decker (uncredited)

Samuel S. Hinds

Judge Charles Moulton (uncredited)

Charles Lane

Prosecuting Attorney (uncredited)

E.G. Marshall

Rayska (uncredited)

Addison Richards

State Commissioner John Albertson (uncredited)

Lionel Stander

Wiecek's Cellmate Corrigan (uncredited)

Otto Waldis

Boris Siskovich (uncredited)

Wanda Perry

Chicago Times Telophone Reporter (uncredited)

Larry J. Blake

Police Photographic Technician (uncredited)

John Bleifer

Jan Gruska (uncredited)

Al Capone

Capone (archive footage) (uncredited)

George Cisar

Policeman (uncredited)

Eddie Dunn

Patrolman John W. Bundy (uncredited)

Joseph Forte

Parole Board Member (uncredited)

Walter Greaza

Police Capt. Norris (uncredited)

Perry Ivins

Illinois State Journal Technician (uncredited)

Robert Karnes

Pete (uncredited)

Cy Kendall

Second Bartender (uncredited)

J.M. Kerrigan

Sullivan - Court Bailiff (uncredited)

Paul Kruger

Detective (uncredited)

Henry Kulky

First Bartender (uncredited)

George Melford

Parole Board Member (uncredited)

Charles Miller

Parole Board Member (uncredited)

Arthur Peterson

Keeler's Polygraph Assistant (uncredited)

Joe Ploski

Polish Man (uncredited)

Thelma Ritter

Captain's Secretary (uncredited)

Richard Rober

Sgt. Larson (uncredited)

Dick Ryan

Parole Board Member (uncredited)

Ray Spiker

Barfly (uncredited)

Ann Staunton

Chicago Times Telephone Operator (uncredited)

Freddie Steele

Holdup Man (uncredited)

George Tyne

Tomek Zaleska (uncredited)

Robert B. Williams

Illinois State Journal Technician