Sterling Hayden
Det. Lt. Sims

Gene Nelson
Steve Lacey

Phyllis Kirk
Ellen Lacey

Ted de Corsia
'Doc' Penny

Charles Bronson
Ben Hastings

Jay Novello
Dr. Otto Hessler

Nedrick Young
Gat Morgan

James Bell
Daniel O'Keefe

Dub Taylor
Gus Snider

Iris Adrian
Hastings' Girlfriend (uncredited)

Charles Cane
Detective (uncredited)

Timothy Carey
Johnny Haslett (uncredited)

Fritz Feld
Jess (uncredited)

Kit Guard
Barfly at Counter (uncredited)

Thomas E. Jackson
Bank Guard (uncredited)

Fred Kelsey
Old Man Crossing Street (uncredited)

Jack Kenney
Lefty (uncredited)

Lyle Latell
Hoodlum at Counter (uncredited)

Harry Lauter
Roadblock Officer (uncredited)

Ruth Lee
Third Police Broadcaster (uncredited)

Mary Newton
Mrs. O'Keefe (uncredited)

Shirley O'Hara
Girl with Bandaged Man (uncredited)

John Pickard
Information Officer (uncredited)

Sandy Sanders
Cop (uncredited)

Guy Wilkerson
Beer Drinker at Counter (uncredited)

Harry Wilson
Parolee (uncredited)

Hank Worden
Sweeney (uncredited)