Cast
Zolok
Bruce Gordon
Natcha Manyus
Dr. Manyus
Butterfield
GorzoJerry Delaney Chet Andrews [Chs. 1, 4, 5, 8-10] Rama, Queen of the Wangas [Chs.8-11] Appollyn 
Prof. Reynolds [Chs.1-4]Dr. Colton [Chs.1-5] 
Sheikh Ben Ali [Chs. 5-7]Hugo, lead giant 
Boyo, a Giant [Chs. 1-2, 10-12], not listed in creditsScientist [Ch. 1], not listed in credits An Arab, not listed in credits The General [Ch.1], not listed in credits 
Scientist [Ch. 1], not listed in creditsGendarme, not listed in credits 