| FFrankie HowerdProfessor Inigo Tinkle | Professor Inigo Tinkle |
 Sidney JamesMr. Bill Boosey | Mr. Bill Boosey |
 Charles HawtreyWalter Bagley | Walter Bagley |
 Joan SimsLady Evelyn Bagley | Lady Evelyn Bagley |
 Terry ScottUg | Ug |
 Kenneth ConnorMr. Claude Chumley | Mr. Claude Chumley |
 Bernard BresslawUpsidasi | Upsidasi |
 Jacki PiperJune | June |
 Valerie LeonLeda | Leda |
| RReuben MartinGorilla | Gorilla |
 Edwina CarrollNerda | Nerda |
| VValerie MooreLubi-Dubi Lieutenant | Lubi-Dubi Lieutenant |
| CCathi MarchLubi-Dubi Lieutenant | Lubi-Dubi Lieutenant |
 Danny DanielsNosha Chief | Nosha Chief |
| YYemi AjibadiWitch Doctor | Witch Doctor |
| JJohn AdewoleKing (uncredited) | King (uncredited) |
 Nina Baden-SemperNosha (uncredited) | Nosha (uncredited) |
| AAlan BeatonMan at Lecture (uncredited) | Man at Lecture (uncredited) |
| MMichael BuckMan at Lecture (uncredited) | Man at Lecture (uncredited) |
 Heather EmmanuelPregnant Lubi-Dubi (uncredited) | Pregnant Lubi-Dubi (uncredited) |
 John Ashley HamiltonNosha (uncredited) | Nosha (uncredited) |
| VVictor HarringtonMan at Lecture (uncredited) | Man at Lecture (uncredited) |
| KKen HutchinsMan at Lecture (uncredited) | Man at Lecture (uncredited) |
 Oscar JamesNosha Warrior (uncredited) | Nosha Warrior (uncredited) |
 Willie JonahNosha (uncredited) | Nosha (uncredited) |
| MMerdelle JordineNosha (uncredited) | Nosha (uncredited) |
 Jeffery KissoonNosha (uncredited) | Nosha (uncredited) |
| CChris KonyilsNosha (uncredited) | Nosha (uncredited) |
 Me Me LaiNosha (uncredited) | Nosha (uncredited) |
| VVerna Lucille MacKenzieGong Lubi-Dubi (uncredited) | Gong Lubi-Dubi (uncredited) |
