Monsters from space attack earth, two scientists and a couple of teenagers try to stop the extraterrestrial invaders.
| Actor | Role |
|---|---|
 John AgarDr. Curt Taylor (archive footage) | Dr. Curt Taylor (archive footage) |
| EEthan Allen(archive footage) | (archive footage) |
 John AshleyStan Kenyon (archive footage) | Stan Kenyon (archive footage) |
 Susan BjurmanAnne Taylor (archive footage) | Anne Taylor (archive footage) |
 Bob CowanCpl. Culver (archive footage) | Cpl. Culver (archive footage) |
 Warren HammackLt. Robertson (archive footage) | Lt. Robertson (archive footage) |
 Cynthia HullSusan Rogers (archive footage) | Susan Rogers (archive footage) |
 Tony HustonCulver's Sergeant (archive footage) | Culver's Sergeant (archive footage) |
| BBill Peck(archive footage) | (archive footage) |
| JJordan LopezRakor space gorilla (uncredited) | Rakor space gorilla (uncredited) |