Overview
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".
| Actor | Age then | Age now | |
|---|---|---|---|
 | 38 | May 19, 1997 (71) | |
 | 37 | October 12, 2019 (92) | |
 | 38 | August 25, 2022 (96) | |
 | 31 | May 9, 2013 (80) | |
 | 31 | June 23, 2015 (82) | |
 | 41 | April 28, 2003 (80) | |
 | 35 | December 9, 1992 (64) | |
 | 53 | December 10, 1999 (88) | |
 | 25 | 86 | |
 | - | - |