Tarzan and his lion companion Jad-bal-ja discover a mad scientist with a city of talking gorillas. To create additional havoc, a Hollywood film crew sets out to shoot a Tarzan movie in Africa and brings along an actor who is an exact double of the apeman, but is his opposite in courage and determination.
Edgar Rice Burroughs (September 1, 1875 – March 19, 1950) was an American writer best known for his creations of the jungle hero Tarzan and the heroic Mars adventurer John Carter, although he produced works in many genres.(Wikipedia)