Tarzan is summoned to Brazil by an old friend to stop an evil tribal cult from destroying native villages and enslaving the survivors. The Lord of the Jungle is accompanied on his quest by a pretty blonde doctor, a boy and a grizzled sea captain.
Unfortunately the movie Tarzan and the Great River is not yet available on HBO Max.
| Directing | Robert Day | Director |
| Camera | Irving Lippman | Director of Photography |
| Writing | Lewis Reed | Screenplay |
| Writing | Bob Barbash | Screenplay |
| Writing | Edgar Rice Burroughs | Original Story |
| Production | Sy Weintraub | Producer |
| Production | Steve Shagan | Producer |
| Editing | Anthony Carras | Editor |
| Editing | Edward Mann | Editor |
| Editing | James Nelson | Editor |
| Art | Herbert Smith | Art Direction |
