Seven orphan cavemen grow up on a little island all by themselves. After a fire burns all vegetation they set out to find a new place to live.
| Directing | Pasquale Festa Campanile | Director |
| Editing | Sergio Montanari | Editor |
| Writing | Lina Wertmüller | Screenplay |
| Writing | Pasquale Festa Campanile | Screenplay |
| Writing | Marcello Coscia | Screenplay |
| Writing | Ottavio Jemma | Screenplay |
| Directing | Marcello Crescenzi | First Assistant Director |
| Directing | Maria Pia Rocco | Script Supervisor |
| Camera | Giuseppe Lanci | Camera Operator |
| Camera | Franco Bruni | Assistant Camera |
| Camera | Gianfranco Transunto | Assistant Camera |
| Editing | Maria Gianandrea | Assistant Editor |
| Production | Stefano Pegoraro | Unit Manager |
| Production | Gualtiero Tagliacozzo | Production Secretary |
| Costume & Make-Up | Giannetto De Rossi | Makeup Artist |
| Costume & Make-Up | Mirella De Rossi | Hairstylist |
| Sound | Carlo Palmieri | Sound |
| Costume & Make-Up | Gino Persico | Assistant Costume Designer |
| Art | Ennio Michettoni | Assistant Production Design |
| Crew | Walfredo Traversari | Special Effects |
| Crew | Nazzareno Zamperla | Master at Arms |
| Sound | Alberto Bartolomei | Sound Mixer |
| Sound | Danilo Moroni | Sound Mixer |
| Production | Felice D'Alisera | Production Manager |
| Art | Enrico Job | Production Design |
| Costume & Make-Up | Enrico Job | Costume Design |
| Sound | Ennio Morricone | Original Music Composer |
| Sound | Bruno Nicolai | Conductor |
| Camera | Franco Di Giacomo | Director of Photography |
| Production | Silvio Clementelli | Producer |
| Writing | Marcello Coscia | Story |
| Writing | Pasquale Festa Campanile | Story |
| Writing | Ottavio Jemma | Story |
| Writing | Lina Wertmüller | Story |
