"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
Benito Alazraki
Director
Alfredo Salazar
Screenplay
Guillermo Calderón
Producer
Enrique Wallace
Director of Photography
José W. Bustos
Editor
José Rodríguez Granada
Art Direction
Carlos Grandjean
Set Decoration
Concepción Zamora
Makeup Artist
Gustavo César Carrión
Original Music Composer
