Bruce Cabot
— Ernie
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
Eadie Adams
— Shirley Allen
George Zucco
— Crowley Bascomb
Dorothy Kilgallen
— Jane Mills, Reporter
Raymond Hatton
— Hotel Clerk
Richard Terry
— Pete
Ernie Alexander
— Garage Attendant (uncredited)
Richard Allen
— Police Officer (uncredited)
Charles Arnt
— Lampier's Secretary (uncredited)
Wade Boteler
— Irish Patrolman (uncredited)
Sidney Bracey
— Lampier's Butler (uncredited)
Don Brodie
— Parking Station Attendant (uncredited)
Frank Bruno
— Penny's Henchman (uncredited)
Joe Caits
— Ambulance Driver (uncredited)
Jack Cheatham
— Police Officer (uncredited)
James Conaty
— Roulette Player (uncredited)
Hal Cooke
— Headwaiter (uncredited)
Jack Daley
— Police Officer Callahan (uncredited)
Sayre Dearing
— Green Lantern Patron (uncredited)
Lester Dorr
— Reporter (uncredited)
Jack Dougherty
— Police Officer (uncredited)
Budd Fine
— Police Officer (uncredited)