Edward G. Robinson as Capt. 'Barnie' Barnaby

Paulette Goddard as Mona Ross

K.T. Stevens as Ginny

Porter Hall as Jack Hartrampf

Adam Williams as Marty Kusalich

Edward Binns as Al Barkis

Barry Kelley as Dwight Foreman

Jay Adler as Frankie Pierce

Mary Ellen Kay as Carol Lawson

Joan Vohs as Vickie Webb

Lee Van Cleef as Pete Monty

Harlan Warde as Det. Lacey

Dan Riss as Lt. Bob Imlay

Lewis Martin as Police Lt. Ed Chisolm

Murray Alper as Cop (uncredited)

Joanne Arnold as Mona Ross' Secretary (uncredited)

William Boyett as Officer Kellogg (uncredited)

Leonard Bremen as Fred (uncredited)

Paul Bryar as Lt. Cade (uncredited)

Jack Carr as Fred (uncredited)

Russ Conway as Reporter (uncredited)

Edgar Dearing as Fitz (uncredited)

Edward Earle as Vault Teller (uncredited)

George Eldredge as Mr. Lawson (uncredited)

Gil Frye as Cop (uncredited)

Percy Helton as Mr. Jenner (uncredited)

Byron Kane as Prof. Bruno Varney (uncredited)

Robert Karnes as Lou (uncredited)

Mickey Knox as Policeman (uncredited)

Mike Lally as Detective in Lineup and Bank (uncredited)

Wallace Earl as Mortuary Receptionist (uncredited)

Harry Lewis as Arresting Detective (uncredited)

Lee Phelps as Vickie's Apartment Manager (uncredited)

Lorin Raker as Mr. Moore (uncredited)

Charles Sherlock as Detective in Lineup Room (uncredited)

Charles Tannen as Dutch (uncredited)

John Verros as Count Alfredo Giovanni de Montova (uncredited)

Christine White as Miss Easton (uncredited)

Mack Williams as Mr. Schaefer (uncredited)

Harry Wilson as Man in Lineup (uncredited)

William Woodson as Dave (uncredited)

Babs Cox as Secretary (uncredited)

Geraldine Hall as Mrs. Lawson (uncredited)