Twins of Evil

Twins of Evil (aka Twins of Dracula)
Theatrical release poster
Directed by	John Hough
Produced by	Michael Style, Harry Fine
Written by	Tudor Gates based on characters by Sheridan Le Fanu
Starring	Peter Cushing, Dennis Price Mary Collinson Madeleine Collinson Damien Thomas Katya Wyeth
Music by	Harry Robertson
Distributed by	Rank Organisation (UK) Universal Pictures (USA)
Release date	3 October 1971 (1971-10-03)
Running time	87 min.
Country	United Kingdom
Language	English
Budget	£205,067

Twins of Evil is a 1971 horror film by Hammer Film Productions starring Peter Cushing, with Damien Thomas and the real-life twins and former Playboy Playmates Mary and Madeleine Collinson.

It is the third film of The Karnstein Trilogy, based on the vampire tale Carmilla by Sheridan Le Fanu. The film has the least resemblance to the novel and adds a witchfinding theme to the vampire story. Much of the interest of the film revolves around the contrasting evil and good natures of two beautiful sisters, Frieda and Maria Gellhorn. Unlike the previous two entries in the series, this film contains only a brief vampire lesbian element.

Some considered the film a prequel to The Vampire Lovers and Lust for a Vampire.

Maria and Frieda, recently orphaned identical twin teenage girls, move from Venice to Karnstein in Central Europe to live with their uncle Gustav Weil. Weil is a stern puritan and leader of the fanatical witch-hunting 'Brotherhood'. Both twins resent their uncle's sternness and one of them, Frieda, looks for a way to escape. Resenting her uncle, she becomes fascinated by the local Count Karnstein, who has the reputation of being "a wicked man".

Count Karnstein, who enjoys the Emperor's favour and thus remains untouched by the Brotherhood, is indeed wicked and interested in Satanism and Black Magic. Trying to emulate his evil ancestors, he murders a girl as a Human Sacrifice, calling forth Countess Mircalla Karnstein from her grave. Mircalla turns the Count into a vampire.