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.
as Dr. Vincent Edwards
as Dr. Hackett
as Glen Hayes
as Administrator Ripley
as Dr. Collins
as Captain Herman Frehley
as Dr. Banks
as Dr. Gabriel
as Dr. Rutherford
as Robert Ripley
as Dr. Phillips
as Workman #1
as Dr. Haterov
