"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.
Diana
Janine Reynaud
Regina
Rosanna Yanni
Francis McClune
Chris Howland
Albert Carimbuli
Alexander Engel
Insp. Tanner (as Marcello Arriota-Jauregut)
Marcelo Arroita-Jáuregui
Vittorio Freda
Manolo Otero
Dancer (as Maria Dom)
Dorit Dom
Mr. Radeck
Adrian Hoven
Thriller's Assistant
Ana Casares
Morpho
Michel Lemoine
Napoleon Bolivard
Jesús Franco
Fashion Store Owner
Elsa Zabala
Girl in Hotel Lobby
Marta Reves
Lida Regnier
María Antonia Redondo
Gallery manager
Vicente Roca
Blonde Dancer
Ana Puértolas
Claudia Gravy
Pilar Clemens
Mr. Radeck (voice) (uncredited)
Gert Günther Hoffmann
Critic in Art Gallery (uncredited)
Karl Heinz Mannchen
Insp. Tanner's Assistant (uncredited)
Vicente Molina Foix
Julio Pérez Tabernero
Receptionist (uncredited)
Manuel Velasco