"Angvia," the planet the aliens are from, is an anagram for vagina.
According to a recent book on Tigon pictures James Robertson Justice was very ashamed to be working on a film of this sort.
The name of the hero, James Word, is most probably a reference to the motto of the London Stock Exchange: "My Word is my Bond."
The characters of Atropos (Valerie Leon), Clotho (Anna Gael), and Lachesis (Brigitte Skey) are the same as the three Fates in Greek mythology.
Features Yutte Stensgaard's first nude scenes.