Burt Lancaster as Robert Stroud

Karl Malden as Harvey Shoemaker

Thelma Ritter as Elizabeth Stroud

Neville Brand as Bull Ransom

Betty Field as Stella Johnson

Telly Savalas as Feto Gomez

Edmond O'Brien as Tom Gaddis

Hugh Marlowe as Roy Comstock

Whit Bissell as Dr. Ellis

Crahan Denton as Kramer

James Westerfield as Jess Younger

Robert Bailey as Reporter on Dock (uncredited)

Nicky Blair as Inmate (uncredited)

Mushy Callahan as Inmate (uncredited)

James J. Casino as Inmate (uncredited)

Noble 'Kid' Chissell as Inmate (uncredited)

John Indrisano as Inmate (uncredited)

Pete Kellett as Inmate (uncredited)

David McMahon as Inmate (uncredited)

Pat Moran as Inmate (uncredited)

Ben Roseman as Inmate (uncredited)

Frankie Van as Inmate (uncredited)

Robert Burton as Sen. Ham Lewis (uncredited)

Lewis Charles as Chaplain Wentzel (uncredited)

Nick Dennis as Crazed Prisoner (uncredited)

Mike Mahoney as Bit Part (uncredited)

Raymond Greenleaf as Judge (uncredited)

William Hansen as Fred Daw (uncredited)

Wayne Heffley as Guard (uncredited)

Michael Masters as Guard (uncredited)

Joe McGuinn as Guard (uncredited)

Victor Romito as Guard (uncredited)

Anton von Stralen as Guard (uncredited)

Robert B. Williams as Guard (uncredited)

William Hoehne Jr. as Guard Kenny (uncredited)

Dale Van Sickel as Alcatraz Guard (uncredited)

Kermit Maynard as Alcatraz Captain of Guards (uncredited)

Harry Holcombe as Editor (uncredited)

Fred Libby as Reporter (uncredited)

Len Lesser as Burns (uncredited)

Edward Mallory as John Clary (uncredited)

Adrienne Marden as Mrs. Woodrow Wilson (uncredited)

George Mitchell as Father Matthieu (uncredited)

Leo Penn as Eddie Kassellis (uncredited)

Chris Robinson as Logue (uncredited)

Michael Ross as Convict Qualen's Friend (uncredited)

Phil Schumacher as Detective (uncredited)

Ray Spiker as Appleton - Murdered Guard (uncredited)

Harry Jackson as Reporter (uncredited)

Raoul Freeman as Guard (uncredited)