Expert conman Joe Thanks teams up with half-breed Bill and naive Lucy to steal $300,000 from the Indian-hating Major Cabot. Their elaborate plan is full of disguises, double-crosses, and chases, but Joe always seems to know what he's doing.
You can now watch A Genius, Two Friends, and an Idiot online on the following streaming providers in the United States.
| Directing | Damiano Damiani | Director |
| Production | Claudio Mancini | Producer |
| Writing | Damiano Damiani | Screenplay |
| Camera | Giuseppe Ruzzolini | Director of Photography |
| Writing | Ernesto Gastaldi | Story |
| Art | Francesco Bronzi | Production Design |
| Production | Fulvio Morsella | Producer |
| Art | Carlo Simi | Production Design |
| Sound | Ennio Morricone | Original Music Composer |
| Writing | Fulvio Morsella | Story |
| Writing | Fulvio Morsella | Screenplay |
| Editing | Nino Baragli | Editor |
| Writing | Ernesto Gastaldi | Screenplay |
| Production | Sergio Leone | Executive Producer |
| Directing | Sergio Leone | Assistant Director |
| Costume & Make-Up | Franco Carretti | Costume Design |
| Production | Vasco Mafera | Unit Manager |
| Production | Claudio Mancini | General Manager |
| Production | Sergio Leone | Director of Operations |
| Production | Claudio Cuomo | Unit Manager |
| Production | Jean Gontier | Co-Producer |
| Art | Francesco Bronzi | Art Direction |
| Art | Carlo Simi | Art Direction |
| Directing | Stefano Vicario | Second Assistant Director |
| Directing | Vittoria Vigorelli | Script Supervisor |
| Writing | Sergio Leone | Idea |
| Production | Franco Coduti | Unit Manager |
| Directing | Giuliano Montaldo | Second Unit Director |
| Production | Diego Gómez Sempere | Production Manager |
| Art | Massimo Tavazzi | Set Decoration |
| Production | Claudio Giugno | Production Supervisor |
| Directing | Stefano Rolla | First Assistant Director |
| Costume & Make-Up | Pierantonio Mecacci | Makeup Artist |
| Costume & Make-Up | Maurizio Giustini | Makeup Artist |
| Sound | Gaetano Testa | Sound |
| Sound | Roberto Arcangeli | Sound Effects |
| Sound | Fausto Ancillai | Sound Mixer |
| Crew | Giovanni Corridori | Special Effects |
| Costume & Make-Up | Orsola Liberati | Seamstress |
| Crew | Benito Stefanelli | Master at Arms |
