Lee Marvin
Detective Lt. Frank Ballinger

Paul Newlan
Police Capt. Grey

DeForest Kelley
Police Sgt. Miller / Detective

Harry Landers
Max Decker / Torrance

Dan Tobin
Steve Lanley

Barney Phillips
Dr. Lester Bowers / Doctor

Elizabeth Harrower
Walls' Secretary / Mrs. Michaels

Bill Erwin
Roger Jessop / Detective Gene

William Hudson
Tom Ferris / Paul Webster

John Beradino
Detective D'amico / Nick Cordell

William Phipps
Al 'Bugsy' Page / Joe Mazzerin

Dick Wilson
Max Pushkin / Moe Norton

Paul Maxwell
Andy Markham / Jim Landry

Harlan Warde
Marty Pryor / Wally

Ross Elliott
Vincent Hurd / Police Sgt. Smith

Margaret Field
Rose Pulaski Mooney / Laura M. Canby

Harry Bartell
Jed Stanner / Johnny Clavell

John Harmon
Babe / Charlie Andalucia

Ruta Lee
Ora Kane / Connie Meston

Lawrence Dobkin
Louie Prince / Barney Traxler