William Holden

Al Walker

Nina Foch

Betty

Lee J. Cobb

Dr. Andrew Collins

Adele Jergens

Laura Stevens

Stephen Dunne

Owen Talbot

Lois Maxwell

Ruth Collins

Berry Kroeger

Mike

Steven Geray

Prof. Fred Linder

Wilton Graff

Frank Stevens

Robert Osterloh

Pete

Kathryn Card

Nora

Charles Cane

Sheriff (uncredited)

G. Pat Collins

Al's Father (uncredited)

Ellen Corby

Agnes (uncredited)

Lester Dorr

First Man in Police Line-Up (uncredited)

Edward Earle

McCoy (uncredited)

Selmer Jackson

Warden Benson (uncredited)

Paul Kruger

Policeman in Hallway at Headquarters (uncredited)

Jimmy Lloyd

Herb Fuller (uncredited)

John McKee

Policeman Departing HQ (uncredited)