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

Gayle Kellogg

Detective Kelly

Mack Chandler

Sully

Iris Adrian

Hastings' Girlfriend (uncredited)