The story is based around "spermulites", the alien inhabitants of a dying planet. The only way they can save their planet is by sucking the men of planet earth dry of sperm, kind of like horny vampires.
Dayle Haddon
as Spermula
Udo Kier
as Werner
François Dunoyer
as Tristan
Jocelyne Boisseau
as Cascade
Ginette Leclerc
as Gromana
Isabelle Mercanton
as Blanche
Georges Géret
as Grop
Radiah Frye
as Ruth
Angela McDonald
as Gilda
Suzannah Djian
as Diamant
Myriam Mézières
as Bonne
Karin Petersen
as Sala
