Congo Bill (swaps minds with the Golden Gorilla to become the Congorilla); The Congorilla (first appearance and origin, the third Golden Gorilla, swaps minds with Congo Bill); Chief Kawolo (first appearance, death); Gloria (actress); Mr. Rieger (movie director); Rieger's assistant
Congo Bill saves the life of tribal Chief Kawolo, who gives him a magic ring that can cause his mind to be exchanged with that of the Golden Gorilla. Later, a movie crew tries to capture the now-intelligent Congorilla.