Cast & crew
Tarzan's Deadly Silence (1970)
Directed by Robert L. Friend Written by Lee Erwin, John Considine, Tim Considine, Jack H. Robinson
Cast
| Ron Ely | Tarzan |
| Manuel Padilla Jr. | Jai |
| Jock Mahoney | The colonel |
| Woody Strode | Marshak |
| Nichelle Nichols | Ruana |
| Robert DoQui | Metusa |
| Rudolph Charles | Officer |
| Gregorio Acosta | Chico |
Crew
| Robert L. Friend | Director |
| Lee Erwin | Writer |
| John Considine | Writer |
| Edgar Rice Burroughs | Characters |
| Walter Greene | Original Music Composer |
| Laurencio Cordero | Special Effects |
| Tim Considine | Writer |
| Jack H. Robinson | Writer |
| José RodrÃguez Granada | Production Designer |
| José RodrÃguez Granada | Art Direction |
| Edward M. Abroms | Editor |
| Gabriel Torres | Editor |
| Abraham Vialla | Cinematography |