The Specter of Terror

Maria Perschy

María Preston

Sancho Gracia

Doctor

Aramis Ney

Charly Reed

Maritza Olivares

Elena O'Hara (as May Oliver)

Betsabé Ruiz

Nicole

Víctor Barrera

Inspector

María Dolores Tovar

(as Mª Dolores Tovar)

Ernesto Vañes

Ramón Lillo

Titania Clement