Conrado San Martín

Inspector Tanner

Diana Lorys

Wanda Bronsky / Melissa

Howard Vernon

Dr. Orloff

Perla Cristal

Arne

María Silva

Dany (as Mary Silvers)

Ricardo Valle

Morpho Lodner

Mara Laso

Irma Gold

Venancio Muro

Jean Rousseau 'Jeannot'

Félix Dafauce

Chief Inspector

Elena María Tejeiro

Ursula Camila

Javier de Rivera

Carmen Porcel

Madame Gold

Rafael Hernández

Marisa Paredes

Klemp

Pilar Gómez Ferrer

Wanda's Dresser

Tito García

Jesús Franco

Pianist (uncredited)