A scientific expedition happens to discover that gold exists on Tarzan's escarpment. The villainous Medford and Vandermeer kidnap Jane and Boy to extort from Tarzan the location of the gold.
Unfortunately the movie Tarzan's Secret Treasure is not yet available on HBO Max.
| Directing | Richard Thorpe | Director |
| Writing | Edgar Rice Burroughs | Characters |
| Writing | Myles Connolly | Screenplay |
| Writing | Paul Gangelin | Screenplay |
| Production | B.P. Fineman | Producer |
| Sound | David Snell | Music |
| Camera | Clyde De Vinna | Director of Photography |
| Editing | Gene Ruggiero | Editor |
| Art | Cedric Gibbons | Art Direction |
| Art | Edwin B. Willis | Set Decoration |
| Art | Howard Campbell | Assistant Art Director |
| Sound | Douglas Shearer | Recording Supervision |
| Crew | Warren Newcombe | Special Effects |
| Camera | A. Lindsley Lane | Camera Operator |
