Overview
Young siblings Dan and Helen must protect their new friend, a strange blue alien boy they name Peep-Peep, from the terrifying evil alien known only as The Thin (Space) Man, who's after him.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 13 | 67 | |
 | 12 | 66 | |
| 52 | January 27, 1993 (74) | |
| - | - | |
 | 47 | January 2, 2006 (81) | |
| - | - | |
 | 38 | 92 |