De bandieten van Chuncho roven wapens uit een trein om deze te verkopen aan Elias' revolutionairen. Ze worden geholpen door één van de passagiers, Bill Tate, en laten hem toe tot hun groep.
Nee, helaas is Quién sabe? nog niet beschikbaar op Netflix in Nederland.
| Directing | Damiano Damiani | Director |
| Writing | Salvatore Laurani | Story |
| Writing | Salvatore Laurani | Screenplay |
| Writing | Franco Solinas | Adaptation |
| Production | Bianco Manini | Producer |
| Sound | Luis Bacalov | Music |
| Camera | Antonio Secchi | Director of Photography |
| Editing | Renato Cinquini | Editor |
| Art | Sergio Canevari | Production Design |
| Art | Luis Vázquez | Set Decoration |
| Costume & Make-Up | Marilù Carteny | Costume Design |
| Sound | Ennio Morricone | Music Supervisor |
| Sound | Bruno Nicolai | Conductor |
| Directing | Enrico Bergier | Assistant Director |
| Production | Ferruccio De Martino | Production Manager |
| Production | Ofelia Minaldi | Assistant Production Manager |
| Art | Sergio Canevari | Set Designer |
| Costume & Make-Up | Otello Fava | Makeup Artist |
| Costume & Make-Up | Renata Magnanti | Hairstylist |
| Sound | Italo Cameracanna | Foley |
| Sound | Italo Cameracanna | Sound Effects Editor |
| Sound | Fiorenzo Magli | Sound |
| Crew | Guiseppe Celentano | Special Effects |
| Camera | Divo Cavicchioli | Still Photographer |
| Camera | Renato Doria | Camera Operator |
| Camera | Claudio Ragona | Camera Operator |
| Writing | Franco Solinas | Writer |
| Sound | Bruno Battisti D'Amario | Musician |
| Sound | Luis Bacalov | Original Music Composer |
