Two screwballs get mixed up with monsters, mad scientists and vampires.
Manuel Valdés
as Agapito
Martha Elena Cervantes
as Socorro
Nora Veryán
as Doctor Sofia
Roberto G. Rivera
as Doctor
José Jasso
as Paco
Joaquín García Vargas
as Detective Hercules
Quintín Bulnes
as Count Lorenzini
Antonio Bravo
as Señor La Valle
Jorge Mondragón
as o. A.
Julián de Meriche
as Elmer
Alberto Villanueva
as o. A.
