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.
Dr. Octavio Beiral
Florence
The Other/Mr. Shadow
Mary (as Elena Fernández)
Dr. Beiral's Father
Poole
Juan
Prostituta
Inspector de policía (as Jose A. Lobato)
Alumno en mesa de operaciones
