Frankie Howerd as Professor Inigo Tinkle

Sid James as Mr. Bill Boosey

Charles Hawtrey as Walter Bagley

Joan Sims as Lady Evelyn Bagley

Terry Scott as Ug

Kenneth Connor as Mr. Claude Chumley

Bernard Bresslaw as Upsidasi

Jacki Piper as June

Valerie Leon as Leda

Reuben Martin as Gorilla

Edwina Carroll as Nerda

Valerie Moore as Lubi-Dubi Lieutenant

Cathi March as Lubi-Dubi Lieutenant

Danny Daniels as Nosha Chief

Yemi Ajibadi as Witch Doctor

John Adewole as King (uncredited)

Nina Baden-Semper as Nosha (uncredited)

Alan Beaton as Man at Lecture (uncredited)

Michael Buck as Man at Lecture (uncredited)

Heather Emmanuel as Pregnant Lubi-Dubi (uncredited)

John Ashley Hamilton as Nosha (uncredited)

Victor Harrington as Man at Lecture (uncredited)

Ken Hutchins as Man at Lecture (uncredited)

Oscar James as Nosha Warrior (uncredited)

Willie Jonah as Nosha (uncredited)

Merdelle Jordine as Nosha (uncredited)

Jeffery Kissoon as Nosha (uncredited)

Chris Konyils as Nosha (uncredited)

Me Me Lai as Nosha (uncredited)

Verna Lucille MacKenzie as Gong Lubi-Dubi (uncredited)

Beryl Martin as Mating Lubi-Dubi (uncredited)

Roy Stewart as Nosha (uncredited)

Shalini Waran as Lubi-Dubi (uncredited)

Lincoln Webb as Nosha with Girl (uncredited)