Killer Ape

An intrepid jungle explorer and resourceful hero who thwarts threats to the living world. He tracks unusual animal behavior, intervenes in tribal affairs, and risks his life to protect both people and wildlife. Despite initial suspicion and danger, he ultimately defeats the Killer Ape and is celebrated for his bravery.

A diabolical scientist bent on creating a drug to control or annihilate jungle creatures. He disregards ethics, kidnapping and pursuing his darker experiments. His schemes propel the plot until he is confronted by the jungle and meet his end.

Leader of the Wazuli clan who seeks truth about the Killer Ape. He is proud and curious, balancing respect for Jim with a desire to see the monster for himself. His fate in the canyon underscores the clash between tradition and the wild's dangers.

Daughter of Mahura and wife of Ramada. She is wary of Jim's guilt accusations yet shows courage in the face of danger. She is abducted by the Killer Ape but saved as Jim confronts the monster.

Shari's spouse who defies the scientist’s plan and fights for the jungle's animals. He is kidnapped during Andrews' scheme but plays a pivotal role in the group’s resistance.

A half-man, half-ape creature born of the scientist's malice and the jungle's ferocity. It terrorizes the canyon, kills Mahura, and clashes with Jungle Jim in a climactic showdown before Jim ultimately destroys it.