Elenco 16

1. 

   Charles Quigley

   Duncan Richards

2. 

   Linda Stirling

   Diana Farnsworth

3. 

   Clayton Moore

   Louis Ashe

4. 

   I. Stanford Jolley

   Dr. Blackton [Ch. 11]

5. 

   Kenne Duncan

   Dr. Chambers [Chs. 1-2, 8]

6. 

   Forrest Taylor

   Prof. Van Wyck

7. 

   Emmett Vogan

   Anderson [Chs. 1-4]

8. 

   Sam Flint

   Maxwell

9. 

   Joseph Forte

   Prof. Parker (as Joe Forte)

10. 

    Stanley Price

    Count Fator [Chs. 11-12]

11. 

    Wheaton Chambers

    Wilson [Ch. 1]

12. 

    Tom Steele

    Henchman Stricker [Chs. 4, 7, 9]

13. 

    Dale Van Sickel

    Henchman Harte [Chs. 6-7]

14. 

    Rex Lease

    Bain

15. 

    Fred Graham

    Snyder [Chs. 1-2] / Zane [Ch. 8]

16. Bud Wolfe

    Cross - Apartment Thug [Chs. 11-12]

Equipa Técnica 18