Dracula, Prisoner of Frankenstein[a] is a 1972 horror film directed by Jesús Franco and starring Dennis Price, Howard Vernon, Alberto Dalbés, Carmen Yazalde andn Luis Barboo.

[2] The film follows Dr. Rainer von Frankenstein (Price), who successfully captures Count Dracula (Vernon).

It received more generally negative reviews from Variety, L'Écran fantastique and El Mundo Deportivo.

Some time later, Dr. Rainer von Frankenstein, his mute assistant Morpho, and his Monster arrive at the castle.

Realizing his plan has failed, Dr. Frankenstein destroys the vampires and his Monster, fleeing the castle before Seward can catch him.

[3][1] Dracula, Prisoner of Frankenstein was shot in November 1971, with location shooting at the Santa Bárbara Castle in Alicante and the Palácio dos Condes de Castro Guimarães in Cascais, Portugal.

[6] Most of the score of the film by Bruno Nicolai is drawn from Marquis de Sade: Justine (1969) and Count Dracula (1970).

[2] In the Canadian newspaper L'Action [fr] found the film lacked subtlety and the end result was more grotesque than horrific and that Dennis Price was unconvincing in the role of Dr.