Cast & crew
Tarzan Finds a Son! (1939)
Directed by Richard Thorpe Written by Cyril Hume
Cast
| Johnny Weissmüller | Tarzan |
| Maureen O'Sullivan | Jane |
| Johnny Sheffield | School Bus Boy |
| Ian Hunter | Lancing Ware |
| Henry Stephenson | Thomas |
| Frieda Inescort | Lancing Ware |
| Henry Wilcoxon | SanDeE |
| Laraine Day | Lancing Ware |
| Gavin Muir | (uncredited) |
| Morton Lowry | Lancing Ware |
Crew
| Edgar Rice Burroughs | Characters |
| Cyril Hume | Screenplay |
| Richard Thorpe | Director |
| Leonard Smith | Director of Photography |
| Douglas Shearer | Recording Supervision |
| Urie McCleary | Assistant Art Director |
| Cedric Gibbons | Art Direction |
| Frank Sullivan | Editor |
| Dolph Zimmer | Assistant Director |
| Sam Zimbalist | Producer |
| Gene Ruggiero | Editor |