Two boxing promoters travel via time machine back to the days of Hercules, who must save them from Genghis Khan and the Mongol Horde.
You can now watch Hercules in the Valley of Woe online on the following streaming providers in the United States.
| Directing | Mario Mattoli | Director |
| Writing | Vittorio Metz | Story |
| Writing | Vittorio Metz | Screenplay |
| Writing | Marcello Marchesi | Story |
| Writing | Marcello Marchesi | Screenplay |
| Art | Enrico Tovaglieri | Production Design |
| Art | Enrico Tovaglieri | Set Decoration |
| Directing | Gabriele Palmieri | First Assistant Director |
| Editing | Roberto Cinquini | Editor |
| Directing | Mirella Gamacchio | Script Supervisor |
| Camera | Gianluigi Strinski | Camera Operator |
| Costume & Make-Up | Michele Trimarchi | Makeup Artist |
| Costume & Make-Up | Marcella De Marzi | Hairstylist |
| Production | Renato De Pasqualis | Unit Manager |
| Sound | Pietro Ortolani | Sound |
| Camera | Arnaldo Vaselli | Still Photographer |
| Camera | Enzo Oddone | Director of Photography |
| Sound | Gianni Ferrio | Original Music Composer |
| Sound | Gianni Ferrio | Conductor |
| Production | Ignazio Luceri | Production Manager |
| Production | Italo Martinenghi | Producer |
