Bruce Cabot

Ernest "Ernie" Hyams

Margaret Lindsay

Lorraine Lampier

Joseph Calleia

Frank Penny

Stanley Ridges

MacKelvey

Vivienne Osborne

Alicia MacKelvey

Charley Grapewin

Aaron Lampier

Edward Pawley

Police Captain Bill Royce

George Lynn

Stephen Lampier

Theodore von Eltz

David Lampier

George Zucco

Crowley Bascomb

Dorothy Kilgallen

Jane Mills - Reporter

Raymond Hatton

Hotel Clerk

Charles Arnt

Lampier's Secretary (uncredited)

Wade Boteler

Irish Patrolman (uncredited)

Sidney Bracey

Lampier's Butler (uncredited)

Don Brodie

Parking Station Attendant (uncredited)

Joe Caits

Ambulance Driver (uncredited)

Jack Cheatham

Police Officer (uncredited)

Sayre Dearing

Green Lantern Patron (uncredited)

Lester Dorr

Reporter (uncredited)