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
Robert Sterling
Henchman
Sam Ash
George Regan
