Between the 1970s and the 1990s, we saw the birth of a movement, believing that extraterrestrials used Mount Saint-Hilaire as a base. Between mystery and science, you'll discover what gave birth to this fascination that people of the region.
| Actor | Role |
|---|---|
 Myriam KessibyNarrator (voice) | Narrator (voice) |
| YYanick BrassardSelf | Self |
| PPierre BédardSelf | Self |
 Richard GlennSelf | Self |
| PPierre LambertSelf | Self |
| MMarc LedouxSelf | Self |
| RRoger MainvilleSelf | Self |
| GGeneviève PigeonSelf | Self |
| JJean VézinaSelf | Self |