 | Johnny Weissmüller als Tarzan |
 | Maureen O'Sullivan als Jane Parker |
 | Neil Hamilton als Harry Holt |
 | Paul Cavanagh als Martin Arlington |
 | Forrester Harvey als Beamish |
 | Nathan Curry als Saidi |
 | Yola d'Avril als Madame Feronde (uncredited) |
 | Paul Porcasi als Monsieur Feronde (uncredited) |
 | Everett Brown als Bearer |
| Cedric Gibbons | Director |
| Edgar Rice Burroughs | Characters |
| Leon Gordon | Adaptation |
| James Kevin McGuinness | Screenplay |
| Howard Emmett Rogers | Adaptation |
| Bernard H. Hyman | Producer |
| Charles G. Clarke | Director of Photography |
| Clyde De Vinna | Director of Photography |
| Tom Held | Editor |
| A. Arnold Gillespie | Art Direction |
| Bob Roberts | Camera Operator |
| Douglas Shearer | Recording Supervision |
