Twin brothers were raised by wolves, revolt against tyranny in pre-Roman Italy and then come to a parting of the ways as they lead their people toward the founding of a new city, the founders of Rome.
| Directing | Sergio Corbucci | Director |
| Sound | Piero Piccioni | Original Music Composer |
| Camera | Enzo Barboni | Director of Photography |
| Art | Carlo Simi | Set Decoration |
| Editing | Gabriele Varriale | Editor |
| Writing | Luciano Martino | Story |
| Writing | Sergio Leone | Story |
| Writing | Sergio Corbucci | Story |
| Writing | Ennio De Concini | Screenplay |
| Writing | Luciano Martino | Screenplay |
| Writing | Franco Rossetti | Screenplay |
| Writing | Sergio Corbucci | Screenplay |
| Writing | Duccio Tessari | Screenplay |
| Writing | Sergio Leone | Screenplay |
| Writing | Adriano Bolzoni | Dialogue |
| Directing | Guido Zurli | First Assistant Director |
| Directing | Roberto Fizz | First Assistant Director |
| Directing | Mimmola Girosi | First Assistant Director |
| Directing | Renata Clerici | Script Supervisor |
| Directing | Eschilo Tarquini | Script Supervisor |
| Camera | G.B. Poletto | Still Photographer |
| Production | Gianni Di Stolfo | Production Secretary |
| Production | Francesco Merli | Production Secretary |
| Production | Alberto Giommarelli | Production Secretary |
| Crew | Benito Stefanelli | Master at Arms |
| Costume & Make-Up | Mario Van Riel | Makeup Artist |
| Costume & Make-Up | Anna Cristofani | Hairstylist |
| Costume & Make-Up | Adriana Masseroni | Seamstress |
| Camera | Romolo Romagnoli | Key Grip |
| Lighting | Remo Dolci | Gaffer |
| Crew | Lamberto Verdenelli | Special Effects |
| Art | Saverio D'Eugenio | Production Design |
| Art | Hanzi Axerio | Assistant Set Decoration |
| Art | Gianfranco Lowle | Assistant Set Decoration |
| Costume & Make-Up | Cesare Rovatti | Costume Design |
| Production | Mario Musy Glori | Production Manager |
| Camera | Dario Di Palma | Second Unit Director of Photography |
| Camera | Stelvio Massi | Camera Operator |
| Camera | Emilio Giannini | Camera Operator |
| Directing | Franco Giraldi | Second Unit Director |
| Production | Franco Palaggi | Production Manager |
| Production | Alessandro Jacovoni | Producer |
| Production | Roberto Moretti | Unit Manager |
| Production | Sergio Borelli | Unit Manager |
| Costume & Make-Up | Thea Boggiatto | Makeup Artist |
| Production | Vittorio Musy Glori | Line Producer |
