Cast
Charley Grapewin
Insp. Queen
Michael Whalen
Dr. James Rogers
Marion Martin
Cornelia
Morgan Wallace
Zachary
Jack Cheatham
Desk Sergeant (uncredited)
Alan Ladd
Elevator Passenger (uncredited) (unconfirmed)
Ralph Bellamy
Ellery Queen
Margaret Lindsay
Nikki Porter
James Burke
Sgt. Velle
Marsha Hunt
Barbara Braun
Fred Niblo
John Braun
Charles Lane
Dr. Prouty
Douglas Fowley
Rocky Taylor
Katherine DeMille
Valerie Norris
Ann Shoemaker
Lydia Braun
Byron Foulger
Amos
Frank O'Connor
Ambulance Driver (uncredited)
Jack Rice
Rogers' Assistant (uncredited)
Lee Phelps
Flynn (uncredited)