Mandrake the Magician
Betty Houston
Lothar
Tommy Houston
Dr. Andre Bennett
Professor Houston
James Webster
Frank Raymond
Dorgan
Dirk
Green
Rest Home Nurse
Henchman
George Regan
Gray
Brown
Rest Home Henchman
Ed
Narrator
Cabbie
Construction Camp Watchman
Henchman CX12
Rest Home & Ironworks Henchman
Construction Camp Henchman
