The opening credits don't appear until 15 minutes into the film.
The painting of John Carradine that was used is him as Dracula. He appeared as the character in House of Frankenstein (1944) and House of Dracula (1945).
Cristina Ferrare's only leading role in a film, although she previously had major roles in The Impossible Years (1968) and J W Coop (1971).