Stanley Ridges
MacKelvey
Bruce Cabot
Ernest "Ernie" Hyams
Frank Reicher
Theo Drukker (uncredited)
Charley Grapewin
Aaron Lampier
Robert Emmett O'Connor
Police Capt. Greenwood (uncredited)
Jonathan Hale
Dr. Harrison (uncredited)
Margaret Lindsay
Lorraine Lampier
George Zucco
Crowley Bascomb
George Lynn
Stephen Lampier
Joseph Calleia
Frank Penny
Charles Arnt
Lampier's Secretary (uncredited)
Don Brodie
Parking Station Attendant (uncredited)
Sidney Bracey
Lampier's Butler (uncredited)
Dennis O'Keefe
Night Club Guest (uncredited)
J.P. McGowan
Police Officer Murphy (uncredited)
Theodore von Eltz
David Lampier
Raymond Hatton
Hotel Clerk
Vivienne Osborne
Alicia MacKelvey
Robert Homans
Sgt. Donovan (uncredited)
Charles Trowbridge
Coroner (uncredited)
Charles King
Reporter (uncredited)
Tom McGuire
Hoboken Plainclothesman (uncredited)
Wade Boteler
Irish Patrolman (uncredited)
Lee Phelps
Police Officer Beaumont (uncredited)
Lester Dorr
Reporter (uncredited)
Harry Holman
Sgt. Berkovitch (uncredited)
Budd Fine
Police Officer (uncredited)
Edward Pawley
Police Captain Bill Royce
Jack Dougherty
Police Officer (uncredited)
Sayre Dearing
Green Lantern Patron (uncredited)
Beatrice Roberts
Hat Check Girl (uncredited)
Jack Cheatham
Police Officer (uncredited)
Joe Caits
Ambulance Driver (uncredited)
William H. O'Brien
Nightclub Waiter (uncredited)
Louis Natheaux
Swenson (uncredited)
Dorothy Kilgallen
Jane Mills - Reporter