Conrado San Martín

Inspector Tanner

Acting

Diana Lorys

Wanda Bronsky / Melissa

Acting

Howard Vernon

Dr. Orloff

Acting

Perla Cristal

Arne

Acting

María Silva

Dany (as Mary Silvers)

Acting

Ricardo Valle

Morpho Lodner

Acting

Mara Laso

Irma Gold

Acting

Venancio Muro

Jean Rousseau 'Jeannot'

Acting

Félix Dafauce

Chief Inspector

Acting

Faustino Cornejo

Raymond

Acting

Manuel Vázquez

Klein

Acting

Juan Antonio Riquelme

Acting

Fernando Montes

Malou (as Fernando C. Montes)

Acting

Elena María Tejeiro

Ursula Camila

Acting

Javier de Rivera

Acting

Ángel Calero

Acting

Sandalio Hernández

Acting

Fernando Sala

Acting

María de la Riva

(as Mª de la Riva)

Acting

Laly Vicent

Acting

José Carlos Arévalo

Acting

Enrique Ferpi

Acting

Rafael Ibáñez

Acting

Carmen Porcel

Madame Gold

Acting

Rafael Hernández

Acting

Marisa Paredes

Acting

Luis Rico

Acting

Juan García Tiendra

False Suspect

Acting

Amy Márquez

Acting

Antonio Ramos

Acting

Luis Domínguez Luna

Acting

María del Carmen Ruiz

(as Mari Carmen Ruiz)

Acting

Pedro José Mariña

Acting

Pilar Gómez Ferrer

Wanda's Dresser

Acting

Tito García

Acting

Mercedes Manero

(as Mercedes Manera)

Acting

Antonio Ramos

Acting

Juan Antonio Arévalo

(as Juan Antº Arévalo)

Directing

Jesús Franco

Pianist (uncredited)

Directing