"Red Lips" are two female detectives trying to find missing models and dancers. A pop artist called Klaus Thriller and his werewolf-like assistant, Morpho, are the main suspects for the murderers.

Janine Reynaud
as Diana

Rosanna Yanni
as Regina

Chris Howland
as Francis McClune

Alexander Engel
as Albert Carimbuli

Marcelo Arroita-Jáuregui
as Insp. Tanner (as Marcello Arriota-Jauregut)

Manolo Otero
as Vittorio Freda

Dorit Dom
as Dancer (as Maria Dom)

Adrian Hoven
as Mr. Radeck

Ana Casares
as Thriller's Assistant

Michel Lemoine
as Morpho