Inspector Tanner

Conrado San Martín

Acting

Wanda Bronsky / Melissa

Diana Lorys

Acting

Dr. Orloff

Howard Vernon

Acting

Arne

Perla Cristal

Acting

Dany (as Mary Silvers)

María Silva

Acting

Morpho Lodner

Ricardo Valle

Acting

Irma Gold

Mara Laso

Acting

Jean Rousseau 'Jeannot'

Venancio Muro

Acting

Chief Inspector

Félix Dafauce

Acting

Raymond

Faustino Cornejo

Acting

Klein

Manuel Vázquez

Acting

Juan Antonio Riquelme

Acting

Malou (as Fernando C. Montes)

Fernando Montes

Acting

Ursula Camila

Elena María Tejeiro

Acting

Javier de Rivera

Acting

Ángel Calero

Acting

Sandalio Hernández

Acting

Fernando Sala

Acting

(as Mª de la Riva)

María de la Riva

Acting

Laly Vicent

Acting

José Carlos Arévalo

Acting

Enrique Ferpi

Acting

Rafael Ibáñez

Acting

Madame Gold

Carmen Porcel

Acting

Rafael Hernández

Acting

Klemp

Marisa Paredes

Acting

Luis Rico

Acting

False Suspect

Juan García Tiendra

Acting

Amy Márquez

Acting

Antonio Ramos

Acting

Luis Domínguez Luna

Acting

(as Mari Carmen Ruiz)

María del Carmen Ruiz

Acting

Pedro José Mariña

Acting

Wanda's Dresser

Pilar Gómez Ferrer

Acting

Tito García

Acting

(as Mercedes Manera)

Mercedes Manero

Acting

Antonio Ramos

Acting

(as Juan Antº Arévalo)

Juan Antonio Arévalo

Directing

Pianist (uncredited)

Jesús Franco

Directing