Susan Hayward character Barbara Graham
Simon Oakland character Edward S. 'Ed' Montgomery
Virginia Vincent character Peg
Theodore Bikel character Carl G.G. Palmberg
Wesley Lau character Henry L. Graham
Philip Coolidge character Emmett Perkins
Lou Krugman character John R. 'Jack' Santo
James Philbrook character Bruce King
Bartlett Robinson character District Attorney Milton
Gage Clarke character Attorney Richard G. Tibrow
Joe De Santis character Al Matthews
John Marley character Father Devers
Raymond Bailey character San Quentin Warden
Gertrude Flynn character San Quentin Matron
Russell Thorson character San Quentin Sgt.
Dabbs Greer character San Quentin Capt.
Stafford Repp character Police Sgt.
Gavin MacLeod character Police Lt.
Alice Backes character Barbara, San Quentin Nurse
Wendell Holmes character Detective
Gerry Mulligan character Jazz Combo Member
Shelly Manne character Jazz Combo Member
Red Mitchell character Jazz Combo Member
Art Farmer character Jazz Combo Member
Frank Rosolino character Jazz Combo Member
Pete Jolly character Jazz Combo Member
Bud Shank character Jazz Combo Member
John George character Courtroom Spectator (uncredited)
John Barton character Clerk (uncredited)
Leonard Bell character San Francisco Hood (uncredited)
Olive Blakeney character Corona Warden (uncredited)
Eumenio Blanco character Courtroom Spectator (uncredited)
Paul Bradley character Reporter (uncredited)
Peter Breck character Ben Miranda (uncredited)
George Bruggeman character Bailiff (uncredited)
George Chester character Courtroom Spectator (uncredited)
Noble Chissell character Guard (uncredited)
Jack Weston character NCO at Party (uncredited)
Hope Summers character Ethel - Policewoman on Bus (uncredited)