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 |
| Costume & Make-Up | Marilù Carteny | Costume Design |
| Writing | Salvatore Laurani | Screenplay |
| Writing | Franco Solinas | Adaptation |
| Sound | Ennio Morricone | Music Supervisor |
| Camera | Antonio Secchi | Director of Photography |
| Production | Bianco Manini | Producer |
| Editing | Renato Cinquini | Editor |
| Art | Luis Vázquez | Set Decoration |
| Writing | Salvatore Laurani | Story |
| Sound | Italo Cameracanna | Sound Effects Editor |
| Camera | Claudio Ragona | Camera Operator |
| Directing | Enrico Bergier | Assistant Director |
| Camera | Renato Doria | Camera Operator |
| Sound | Bruno Nicolai | Conductor |
| Crew | Guiseppe Celentano | Special Effects |
| Production | Ofelia Minaldi | Assistant Production Manager |
| Sound | Italo Cameracanna | Foley |
| Art | Sergio Canevari | Production Design |
| Sound | Luis Bacalov | Music |
| Art | Sergio Canevari | Set Designer |
| Sound | Fiorenzo Magli | Sound |
| Costume & Make-Up | Otello Fava | Makeup Artist |
| Camera | Divo Cavicchioli | Still Photographer |
| Production | Ferruccio De Martino | Production Manager |
| Costume & Make-Up | Renata Magnanti | Hairstylist |
| Writing | Franco Solinas | Writer |
| Sound | Bruno Battisti D'Amario | Musician |
| Sound | Luis Bacalov | Original Music Composer |
