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