Neutron and the Black Mask
Neutrón
Mario Núñez
Jaime Yáñez
Roberto
Inspector Lozano
Profesor Walker
Profesor Thomas
Profesor Méndez
Intervención musical
Nora
Acting
Transeúnte borracho (uncredited)
Profesor Yáñez (uncredited)
Periodista (uncredited)
Entrenador (uncredited)
Marcelo, mayordomo (uncredited)
Agente de policía (uncredited)
Profesor Duval (uncredited)
Cantante (uncredited)
Profesor Wilson (uncredited)
