Bruce Cabot as Ernie

Margaret Lindsay as Lorraine Lampier

Joseph Calleia as Frank Penny

Stanley Ridges as MacKelvey

Vivienne Osborne as Alicia MacKelvey

Charley Grapewin as Aaron Lampier

Edward Pawley as Police Captain Bill Royce

George Lynn as Stephen Lampier

Theodore von Eltz as David Lampier

Eadie Adams as Shirley Allen

George Zucco as Crowley Bascomb

Dorothy Kilgallen as Jane Mills, Reporter

Raymond Hatton as Hotel Clerk

Richard Terry as Pete

Ernie Alexander as Garage Attendant (uncredited)

Richard Allen as Police Officer (uncredited)

Charles Arnt as Lampier's Secretary (uncredited)

Wade Boteler as Irish Patrolman (uncredited)

Sidney Bracey as Lampier's Butler (uncredited)

Don Brodie as Parking Station Attendant (uncredited)

Frank Bruno as Penny's Henchman (uncredited)

Joe Caits as Ambulance Driver (uncredited)

Jack Cheatham as Police Officer (uncredited)

James Conaty as Roulette Player (uncredited)

Hal Cooke as Headwaiter (uncredited)

Jack Daley as Police Officer Callahan (uncredited)

Sayre Dearing as Green Lantern Patron (uncredited)

Lester Dorr as Reporter (uncredited)

Jack Dougherty as Police Officer (uncredited)

Budd Fine as Police Officer (uncredited)

Kenneth Gibson as Hotel Clerk (uncredited)

Jonathan Hale as Dr. Harrison (uncredited)

Tony Healy as Reporter (uncredited)

Harry Holman as Sgt. Berkovitch (uncredited)

Robert Homans as Sgt. Donovan (uncredited)

Charles King as Reporter (uncredited)

Richard Kipling as Headwaiter (uncredited)

Jimmie Lucas as Garage Attendant (uncredited)

Ralph McCullough as Reporter (uncredited)

J.P. McGowan as Police Officer Murphy (uncredited)

Tom McGuire as Hoboken Plainclothesman (uncredited)

Louis Natheaux as Swenson (uncredited)

William H. O'Brien as Nightclub Waiter (uncredited)

Robert Emmett O'Connor as Police Capt. Greenwood (uncredited)

Paddy O'Flynn as Reporter (uncredited)

Dennis O'Keefe as Night Club Guest (uncredited)

Lee Phelps as Police Officer Beaumont (uncredited)

Alexander Pollard as Penny's Waiter (uncredited)

Frank Reicher as Theo Drukker (uncredited)

Beatrice Roberts as Hat Check Girl (uncredited)

Mel Ruick as Gangster (uncredited)

Dick Rush as Doorkeeper (uncredited)

George Taylor as Penny's Henchman (uncredited)

Charles Trowbridge as Coroner (uncredited)

Al Williams as Page Boy (uncredited)

Charles Williams as Minor Role (uncredited)