Four extraterrestrials, X-1, X-2, X-3 and X-4, arrive on Earth in the early sixties. Here they decide to take on human features to study the terrestrials incognito, but end up getting involved in the Roman "dolce vita".
Manuel Pérez | Line Producer |
Giorgio Giovannini | Production Design |
Franco Castellano | Story |
Franco Castellano | Screenplay |
Pipolo | Story |
Ennio Morricone | Original Music Composer |
Petra de Nieva | Co-Editor |
Sinesio Isla | Second Assistant Director |
Pipolo | Screenplay |
Luigi Puri | Sound |