Burt Lancaster character Robert Stroud
Karl Malden character Harvey Shoemaker
Thelma Ritter character Elizabeth Stroud
Neville Brand character Bull Ransom
Betty Field character Stella Johnson
Telly Savalas character Feto Gomez
Edmond O'Brien character Tom Gaddis
Hugh Marlowe character Roy Comstock
Whit Bissell character Dr. Ellis
Crahan Denton character Kramer
James Westerfield character Jess Younger
Robert Bailey character Reporter on Dock (uncredited)
Nicky Blair character Inmate (uncredited)
Mushy Callahan character Inmate (uncredited)
James J. Casino character Inmate (uncredited)
Noble Chissell character Inmate (uncredited)
John Indrisano character Inmate (uncredited)
Pete Kellett character Inmate (uncredited)
David McMahon character Inmate (uncredited)
Pat Moran character Inmate (uncredited)
Ben Roseman character Inmate (uncredited)
Frankie Van character Inmate (uncredited)
Robert Burton character Sen. Ham Lewis (uncredited)
Lewis Charles character Chaplain Wentzel (uncredited)
Nick Dennis character Crazed Prisoner (uncredited)
Mike Mahoney character Bit Part (uncredited)
Raymond Greenleaf character Judge (uncredited)
William Hansen character Fred Daw (uncredited)
Wayne Heffley character Guard (uncredited)
Michael Masters character Guard (uncredited)
Joe McGuinn character Guard (uncredited)
Victor Romito character Guard (uncredited)
Anton von Stralen character Guard (uncredited)
Robert B. Williams character Guard (uncredited)
William Hoehne Jr. character Guard Kenny (uncredited)
Dale van Sickel character Alcatraz Guard (uncredited)
Kermit Maynard character Alcatraz Captain of Guards (uncredited)
Harry Holcombe character Editor (uncredited)
Fred Libby character Reporter (uncredited)
Len Lesser character Burns (uncredited)
Edward Mallory character John Clary (uncredited)
Adrienne Marden character Mrs. Woodrow Wilson (uncredited)
George Mitchell character Father Matthieu (uncredited)
Leo Penn character Eddie Kassellis (uncredited)
Chris Robinson character Logue (uncredited)
Michael Ross character Convict Qualen's Friend (uncredited)
Phil Schumacher character Detective (uncredited)
Ray Spiker character Appleton - Murdered Guard (uncredited)
Harry Jackson character Reporter (uncredited)
