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