- Country: Mexico
- Genres: Action, Sci-Fi, Thriller
- Release: 1968-07-11
- Director: Emilio Gómez Muriel
- Writers: Emilio Gómez Muriel , Alfredo Ruanova
- Language: Spanish
- Stars: Blue Demon , Carlos East , Maura Monti , Alma Delia Fuentes , Héctor Gómez , Guillermo Zetina , Ivan J. Rado , Bruno Rey , Carlos Nieto , Chuck Anderson
- Runtime: 85 min
- Awards: N/A
- AKA: Blue Demon destructor de espias (Mexico) , Blue Demon destructor de espias , Blue Demon: Destructor of Spies , Blue Demon: Destructor of Spies (United Kingdom) , Blue Demon, Spy Smasher , Blue Demon: Destructor of Spies (United States of America)
- Plot: The future of the world rests on Blue Demon's shoulders yet again when crazy scientists create a mind-control machine and put an evil plan in motion.
- IMDB:tt0294385
Blue Demon: Destructor of Spies Cast · · · ALL
Emilio Gómez Muriel
Director
Blue Demon
Blue Demon
Carlos East
Julio
Maura Monti
Nora
Héctor Gómez
Lafargue
Guillermo Zetina
Major Albert
Bruno Rey
Colonel Dawson
Carlos Nieto
Robles
Chuck Anderson
Professor Garfield
Alma Delia Fuentes
Marcia
Ivan J. Rado
Hans (as Jorge Rado)
Antonio Medellín
Eric
Eduardo MacGregor
Professor Banizetti
John Kelly
the English speaking Jeep
Ricardo Adalid
Doctor (uncredited)
Farnesio de Bernal
(uncredited)
Manuel Dondé
Funebrero (uncredited)
Federico Falcón
First secretary of embassy (uncredited)
Cavernario Galindo
Luchador (uncredited)
Federico González
Minion (uncredited)
Ella Laboriel
(uncredited)
Fernando Osés
Minion (uncredited)