Caso de las dos bellezas, El

Janine Reynaud

Diana

Rosanna Yanni

Regina

Chris Howland

Francis McClune

Alexander Engel

Albert Carimbuli

Marcelo Arroita-Jáuregui

Insp. Tanner (as Marcello Arriota-Jauregut)

Manolo Otero

Vittorio Freda

Dorit Dom

Dancer (as Maria Dom)

Adrian Hoven

Mr. Radeck

Ana Casares

Thriller's Assistant

Michel Lemoine

Morpho

Jesús Franco

Napoleon Bolivard

Elsa Zabala

Fashion Store Owner

Marta Reves

Girl in Hotel Lobby

María Antonia Redondo

Lida Regnier

Vicente Roca

Gallery manager

Claudia Gravy

Pilar Clemens

Gert Günther Hoffmann

Mr. Radeck (voice) (uncredited)

Karl Heinz Mannchen

Critic in Art Gallery (uncredited)

Julio Pérez Tabernero

Manuel Velasco

Receptionist (uncredited)

Jesús Franco

Jesús Franco

Karl Heinz Mannchen

Luis Revenga

Jorge Herrero

Franz Hofer

Jerry van Rooyen

Francisco García Velázquez

María Luisa Soriano

Manolita Ponte

Carlos Viudes

Graf Pilati

Adrian Hoven

José López Moreno

Pier A. Caminnecci

Luis Revenga