Madness from Terror

Germán Valdés

As Pacifico Otero

Manuel Valdés

As Doctor Lucas

Sonia Furió

As Lucia

Verónica Loyo

As Marilú Otero

Andrés Soler

As Doctor Ivanov

David Silva

As Professor Jones

Agustín Isunza

As Enfermero

Consuelo Guerrero de Luna

As Doña Angustias

Elizabeth Dupeyrón

As La chilindrina

Nathanael León

As (uncredited)