A dedicated scientist, aided by his clueless wife, rolls up his shirt sleeves and tries to save the world from a radioactive monster, curious space aliens, an evil scientist and a crabby skeleton.
| Actor | Role |
|---|---|
 Fay MastersonBetty Armstrong | Betty Armstrong |
 Andrew ParksKro-Bar | Kro-Bar |
 Susan McConnellLattis | Lattis |
 Brian HoweDr. Roger Fleming | Dr. Roger Fleming |
 Jennifer BlaireAnimala | Animala |
 Dan ConroyRanger Brad | Ranger Brad |
 Robert DeveauThe Farmer | The Farmer |
 Darrin ReedThe Mutant | The Mutant |
 Larry BlamireDr. Paul Armstrong | Dr. Paul Armstrong |