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