 | Johnny Weissmüller als Tarzan |
 | Maureen O'Sullivan als Jane |
 | Johnny Sheffield als Boy |
 | Reginald Owen als Professor Elliott |
 | Barry Fitzgerald als Dennis O'Doul |
 | Tom Conway als Medford |
 | Philip Dorn als Vandermeer |
 | Cordell Hickman als Tumbo |
| Paul Gangelin | Screenplay |
| Richard Thorpe | Director |
| Edgar Rice Burroughs | Characters |
| Myles Connolly | Screenplay |
| A. Lindsley Lane | Camera Operator |
| B.P. Fineman | Producer |
| David Snell | Music |
| Clyde De Vinna | Director of Photography |
| Gene Ruggiero | Editor |
| Cedric Gibbons | Art Direction |
| Edwin B. Willis | Set Decoration |
| Howard Campbell | Assistant Art Director |
| Douglas Shearer | Recording Supervision |
| Warren Newcombe | Special Effects |
