A mysterious plant found on the surface of the moon wreaks havoc on the Jackson Lunar Base when its spores change the base's crew into leafy, undead creatures.
| Actor | Role |
|---|---|
| MMichael CookDr. Vincent Edwards | Dr. Vincent Edwards |
| SShannon McDonoughDr. Hackett | Dr. Hackett |
| MMichael G. KaiserGlen Hayes | Glen Hayes |
| SSid KorpiAdministrator Ripley | Administrator Ripley |
 Douglas SidneyDr. Collins | Dr. Collins |
| DDaniel SjervenCaptain Herman Frehley | Captain Herman Frehley |
| RRobert ArndtDr. Banks | Dr. Banks |
| JJames NorgardDr. Gabriel | Dr. Gabriel |
| SStephanie MihmDr. Rutherford | Dr. Rutherford |
| CChristopher R. MihmRobert Ripley | Robert Ripley |
| AAnthony KaczorDr. Phillips | Dr. Phillips |
| MMitch GonzalesWorkman #1 | Workman #1 |
| MMark HaiderDr. Haterov | Dr. Haterov |