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