A pair of smugglers manage to pick up a castaway while running from the authorities, who turns out to be the only survivor from a secret mission to destroy a mysterious superweapon designed by the evil Count Zartharn. The smugglers are soon recruited by the Emperor to complete the mission, as well as to rescue the Emperor's son, who has gone missing.
| Actor | Role |
|---|---|
 Marjoe GortnerAkton | Akton |
 Caroline MunroStella Star | Stella Star |
 Christopher PlummerThe Emperor | The Emperor |
 David HasselhoffSimon | Simon |
 Robert TessierThor | Thor |
 Joe SpinellCount Zartharn | Count Zartharn |
 Nadia CassiniCorelia, Queen of the Amazons | Corelia, Queen of the Amazons |
 Judd HamiltonElle / Jiakta | Elle / Jiakta |
 Dirce FunariAmazon Woman (uncredited) | Amazon Woman (uncredited) |
| CCindy LeadbetterAmazon Woman | Amazon Woman |
 Salvatore BaccaroNeanderthal Man | Neanderthal Man |
 Omero CapannaSpaceship Guard | Spaceship Guard |
 Donald HodsonPrisoner | Prisoner |
 Hamilton CampElle (voice) | Elle (voice) |
 Caterina ZinnermanAmazon girl (uncredited) | Amazon girl (uncredited) |