Roy Ward Baker’s 1970 film "The Vampire Lovers" draws from Sheridan Le Fanu's novella “Carmilla,” a story published in 1872—a quarter-century before Bram Stoker penned “Dracula.” The plot centers on the Karnstein family, who are vampires operating in Austria. They use the excuse of leaving their daughter at a wealthy estate to gain access and then systematically seduce young women while feeding on local villagers and others. Ingrid Pitt portrays Carmilla/Marcilla Karnstein, the primary villain, and she’s effective, though perhaps not ideally suited for the part due to her age. While she favors targeting wealthy, young women, and there are clear lesbian themes present, she isn't opposed to draining men when it serves her purposes. Her feigned romantic interest is a facade; she's fundamentally evil and referred to as a “devil” at one point in the film. She’s driven solely by the need to find and consume victims. Carmilla can be seen as representing manipulative women who aim to corrupt and destroy others, which unfortunately mirrors real-life experiences I’ve had. This isn't entertainment appropriate for younger viewers because of its complexity, intensity, and mature themes. I initially didn't appreciate it when I first saw the film fifteen years ago, but a recent rewatch has given me a much deeper understanding, making it almost shockingly insightful. The female cast is excellent, including Madeline Smith (as Emma), Pippa Steel (Laura), Kate O’Mara (the Governess, also known as Mme. Perrodot), Janet Key (Gretchin, the maid), Kirsten Lindholm (the vampire appearing in the opening sequence and later), Olga James (Village Girl), Joanna Shelley (Woodman's Daughter) and Dawn Addams (The Countess/Karnstein matriarch). There are brief moments of tasteful nudity, and Pitt is completely nude on two occasions presented with a degree of elegance. She’s undeniably beautiful, but not particularly appealing to me. Peter Cushing has a supporting role in the film, and Jon Finch appears as the heroic male lead. Several other actors also contribute. For those interested, "The Vampire Lovers" is part of what's known as the Karnstein Trilogy, which includes “Lust for a Vampire” (1971) and “Twins of Evil” (1971). The film’s length is 1 hour and 31 minutes, and it was filmed in Hertfordshire, England. I give it a grade of B+/B.

Source on TMDB