Overview
Doctor Beiral, torn apart by the internal struggle between his social persona and the dark instincts that torment him, manages to use his investigations to give life to the monster that he has long held within him.
Cast
- François-Eric Gendron as Dr. Octavio Beiral
- Amparo Larrañaga as Florence
- Jean-Claude Adelin as The Other/Mr. Shadow
- Elena Bagutta as Mary (as Elena Fernández)
- Fernando Hilbeck as Dr. Beiral's Father
- Luis G. Gámez as Poole
- Ernesto Alterio as Juan
- Berta Casals as Prostituta
- Jaime Domínguez
- José Antonio Lobato as Inspector de policía (as Jose A. Lobato)