The following review is an extract from the book "Santo, the Wrestler with the Silver Mask: A guide to all his films", which is now available on Amazon.
"Entertaining to the highest degree, and with relatively high production values, this is one of the best films in the Silver Mask saga. The story is very well elaborated, there are ingenious turns of script that bring intrigue, the gothic atmosphere of the crypt is optimal. Despite the similarity in theme, the film is on the whole very different from "Santo y Blue Demon contra los monstruos" (Gilberto Martínez Solares, 1970), a chaotic festival of delirium that would well serve as a paradigm for the B-movies.
The film we are dealing with, on the contrary, has a very well worked plot and mise en scène. There is no lack of the characteristic polarizing symbolism present in most of Santo´s films, where our hero embodies the absolute good and justice in its maximum expression while his opponents come directly from the Underworld: It is the eternal cosmic combat, the force of Light against the powers of Darkness (which this time are represented by a vampire and a lycanthrope). These monsters will give the Silver Mask more than one headache. Blue Demon to his comrade Santo: "When you say more than ten words in a row, I know you are worried".
(...)
Miguel M. Delgado, the usual director of the films of the comedian Cantinflas, directed other films of the Saint's saga such as "La venganza de la Llorona" (1974) and the highly recommended "Santo y Blue Demon contra el Dr. Frankenstein" (1974)."
"Entertaining to the highest degree, and with relatively high production values, this is one of the best films in the Silver Mask saga. The story is very well elaborated, there are ingenious turns of script that bring intrigue, the gothic atmosphere of the crypt is optimal. Despite the similarity in theme, the film is on the whole very different from "Santo y Blue Demon contra los monstruos" (Gilberto Martínez Solares, 1970), a chaotic festival of delirium that would well serve as a paradigm for the B-movies.
The film we are dealing with, on the contrary, has a very well worked plot and mise en scène. There is no lack of the characteristic polarizing symbolism present in most of Santo´s films, where our hero embodies the absolute good and justice in its maximum expression while his opponents come directly from the Underworld: It is the eternal cosmic combat, the force of Light against the powers of Darkness (which this time are represented by a vampire and a lycanthrope). These monsters will give the Silver Mask more than one headache. Blue Demon to his comrade Santo: "When you say more than ten words in a row, I know you are worried".
(...)
Miguel M. Delgado, the usual director of the films of the comedian Cantinflas, directed other films of the Saint's saga such as "La venganza de la Llorona" (1974) and the highly recommended "Santo y Blue Demon contra el Dr. Frankenstein" (1974)."