Directed by Norman Deming
Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.
Warren Hull
Mandrake the Magician
Doris Weston
Betty Houston
Al Kikume
Lothar
Rex Downing
Tommy Houston
Edward Earle
Dr. Andre Bennett
Forbes Murray
Professor Houston
Kenneth MacDonald
James Webster
Don Beddoe
Frank Raymond
Dick Curtis
Dorgan
John Tyrrell
Dirk
Stanley Brown
Green
Beatrice Curtis
Rest Home Nurse
The Secret of the Submarine
Dr. Mabuse, the Gambler
Cody of the Pony Express
Drums of Fu Manchu
King of the Forest Rangers
The Valley of Vanishing Men
Action
Crime
