The Awful Dr. Orlof

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

Faustino Cornejo

Raymond

Manuel Vázquez

Klein

Juan Antonio Riquelme

Fernando Montes

Malou (as Fernando C. Montes)

Elena María Tejeiro

Ursula Camila

Javier de Rivera