Edmond O'Brien

Det. Lt. Barney Nolan

Marla English

Patty Winters

John Agar

Det. Sgt. Mark Brewster

Emile Meyer

Capt. Gunnarson

Carolyn Jones

Beth, Girl at Bar

Claude Akins

Fat Michaels

Herbert Butterfield

Cabot, Reporter

Hugh Sanders

Packy Reed

William Schallert

Asst. Dist. Atty. Andy Tucker

Richard Deacon

The Professor

John Beradino

Gambler Being Booked

Robert Bray

Detective

Stafford Repp

Detective O'Dell

Vito Scotti

Joe the Bartender

William Boyett