Susan Hayward
Barbara Graham

Simon Oakland
Edward S. 'Ed' Montgomery

Virginia Vincent
Peg

Theodore Bikel
Carl G.G. Palmberg

Wesley Lau
Henry L. Graham

Philip Coolidge
Emmett Perkins

Lou Krugman
John R. 'Jack' Santo

James Philbrook
Bruce King

Bartlett Robinson
District Attorney Milton

Gage Clarke
Attorney Richard G. Tibrow

Joe De Santis
Al Matthews

John Marley
Father Devers

Raymond Bailey
San Quentin Warden

Gertrude Flynn
San Quentin Matron

Russell Thorson
San Quentin Sgt.

Dabbs Greer
San Quentin Capt.

Stafford Repp
Police Sgt.

Gavin MacLeod
Police Lt.

Alice Backes
Barbara, San Quentin Nurse

Wendell Holmes
Detective

Gerry Mulligan
Jazz Combo Member

Shelly Manne
Jazz Combo Member

John George
Courtroom Spectator (uncredited)

Olive Blakeney
Corona Warden (uncredited)

Peter Breck
Ben Miranda (uncredited)

Noble 'Kid' Chissell
Guard (uncredited)

Jack Weston
NCO at Party (uncredited)

Hope Summers
Ethel - Policewoman on Bus (uncredited)

Brett Halsey
Sailor at party (uncredited)

Gene Roth
Eric (uncredited)

Rusty Lane
Judge (uncredited)

Dennis Cross
Bar Patron (uncredited)

Charles Fredericks
Sucker at Card Game (uncredited)