Cast
- Frank Merrill
- Tarzan
- Al Ferguson
- Black John, village ruler of Pirates' descendants
- Natalie Kingston
- Mary Trevor
- Bobby Nelson
- Bobby Trevor, Mary's younger brother
- Lorimer Johnston
- Lord Greystoke, Tarzan's uncle
- Charles Gemora
- Taug the Gorilla / Toka the Gorilla (uncredited)
- Jackie the Lion
- Lion
