Edgar Rice Burroughs (original novel); Gaylord Du Bois (adaptation)
Tarzan [John Clayton]; Keta; Jerry Lucas; Corrie van der Meer; Sing Tai; Joe Bubonovitch; Tony Rosetti; Carter Douglas; Bill Davis; Tak van der Bos; van Prins; Sarina; Groen de Lettenhove; Hooft; Amat; Alauddin Shah
Leopard Girl [Meru]; Munya; Toto; Chui; Guzzer Kamal; Conrad Jeril; Crystal (a white gorilla)
After saving the white gorilla baby Crystal from the hunter Guzzer Kamal, Meru has given him substances that made him grow faster and develop speech (just like all her other animal friends). Kamal has not given up though and hires one Conrad Jeril to act as a game warden. He demands that Meru release the gorilla. Meru smells a rat and administers a potion to Crystal that makes him change color. The villains think that Meru has exchanged Crystal for another gorilla. And in the end, Cystal chases the villains off.