In 1661 Mexico, Baron Vitelius is executed for witchcraft. 300 years later, during a comet's return, he resurfaces as a brain-eating monster seeking revenge on the Inquisitors' descendants.

Abel Salazar
as Baron Vitelius d'Estera

Ariadna Welter
as Bar girl

David Silva
as Detective inspector

Germán Robles
as Indalecio Pantoja

Luis Aragón
as Prof. Saturnino Millán

Mauricio Garcés
as Coroner

Ofelia Guilmáin
as Señora Meneses

René Cardona
as Baltasar de Meneses / Luis Meneses

Rubén Rojo
as Reynaldo Miranda / Marcos Miranda

Roxana Bellini
as María de Pantoja