Woman in Apartment (archive footage) (as Landa Varle)
The Mummified Werewolf (archive footage) (as Lon Chaney)
Henchman (archive footage) (as Donald Barron)
Dr. Edmund Redding (archive footage) (as Raymond Gaylord)
The Hired Thief
Elderly Scientist (archive footage) (as Jorge Mondragon)
Dr. Frederick Munson (archive footage) (as George Mitchell)
Douglas Banks - Newscaster
Undetermined Role [May Not Appear in this film]
Detective Hammond
Redding's Bespectacled Aide (archive footage) (uncredited)
Ann Taylor (archive footage) (uncredited)
Prof. Janning (archive footage) (uncredited)
Henchman (archive footage) (uncredited)
Man Who Sleeps in Wax Museum and Saves Woman in Apartment (archive footage) (uncredited)