James Stewart as P.J. 'Jim' McNeal

Richard Conte as Frank W. Wiecek

Lee J. Cobb as Brian Kelly

Helen Walker as Laura McNeal

Betty Garde as Wanda Skutnik

Kasia Orzazewski as Tillie Wiecek

Joanne De Bergh as Helen Wiecek

Howard Smith as K.L. Palmer

Moroni Olsen as Parole Board Chairman

John McIntire as Sam Faxon

Paul Harvey as Martin J. Burns

Robert Adler as Taxicab Driver (uncredited)

Truman Bradley as Narrator (voice) (uncredited)

Michael Chapin as Frank Wiecek Jr. (uncredited)

James Dime as Poker Player (uncredited)

Rex Downing as Copy Boy (uncredited)

Ben Erway as Photo Lab Technician (uncredited)

Helen Foster as Secretary (uncredited)

Jonathan Hale as Governor's Aide Robert Winston (uncredited)

Percy Helton as Mailman William Decker (uncredited)

Samuel S. Hinds as Judge Charles Moulton (uncredited)

Charles Lane as Prosecuting Attorney (uncredited)

E.G. Marshall as Rayska (uncredited)

Addison Richards as State Commissioner John Albertson (uncredited)

Lionel Stander as Wiecek's Cellmate Corrigan (uncredited)

Otto Waldis as Boris Siskovich (uncredited)

Wanda Perry as Chicago Times Telophone Reporter (uncredited)

Richard Bishop as Warden of Stateville Prison (uncredited)

Larry J. Blake as Police Photographic Technician (uncredited)

John Bleifer as Jan Gruska (uncredited)

Dollie Caillet as Secretary (uncredited)

Al Capone as Capone (archive footage) (uncredited)

George Cisar as Policeman (uncredited)

Jane Crowley as Anna Felczak (uncredited)

John Dillinger as Dillinger (archive footage) (uncredited)

Abe Dinovitch as Polish Man (uncredited)

Eddie Dunn as Patrolman John W. Bundy (uncredited)

Lew Eckles as Policeman (uncredited)

Joseph Forte as Parole Board Member (uncredited)

Stanley Gordon as Prison Clerk (uncredited)

Walter Greaza as Police Capt. Norris (uncredited)

Buck Harrington as Bartender (uncredited)

Perry Ivins as Illinois State Journal Technician (uncredited)

Robert Karnes as Pete (uncredited)

Leonarde Keeler as Leonarde Keeler (uncredited)

Cy Kendall as Second Bartender (uncredited)

J.M. Kerrigan as Sullivan - Court Bailiff (uncredited)

Carl Kroenke as Guard (uncredited)

Paul Kruger as Detective (uncredited)

Henry Kulky as First Bartender (uncredited)

Philip Lord as Policeman (uncredited)

Jack Mannick as Polish man (uncredited)

Norman McKay as Detective (uncredited)

George Melford as Parole Board Member (uncredited)

Charles Miller as Parole Board Member (uncredited)

George Pembroke as Policeman (uncredited)

Arthur Peterson as Keeler's Polygraph Assistant (uncredited)

Joe Ploski as Polish Man (uncredited)

William Post Jr. as Sixth Precinct Desk Sergeant (uncredited)

Thelma Ritter as Captain's Secretary (uncredited)

Richard Rober as Sgt. Larson (uncredited)

Dick Ryan as Parole Board Member (uncredited)

Peter Seal as Minor Role (uncredited)

Lester Sharpe as Illinois State Journal Technician (uncredited)

George Spaulding as Man on Parole Board (uncredited)

Ray Spiker as Barfly (uncredited)

Ann Staunton as Chicago Times Telephone Operator (uncredited)

Freddie Steele as Holdup Man (uncredited)

George Turner as Holdup Man (uncredited)

George Tyne as Tomek Zaleska (uncredited)

Bill Vendetta as Chicago Times Photographer (uncredited)

Duke Watson as Policeman (uncredited)

Robert B. Williams as Illinois State Journal Technician

Edward Peil Jr. as Bartender (uncredited)