帕特里克·麦克尼 Patrick Macnee ... Derek Longbow
        彼得·库欣 Peter Cushing ... Dr. Walter Goodrich
        Alexander Davion ... Tony Seymore (as Alex Davion)
        Johnny Sekka ... Bob Kirby
        Madeleine Hinde ... Penelope (as Madeline Hinde)
        爱德华·伍德华德 Edward Woodward ... Dr. Holstrom
        William Mervyn ... Marc Honeydew
        Patrick Mower ... Richard Fountain
        David Lodge ... Colonel
        伊莫根·哈梭 Imogen Hassall ... Chriseis
        John Barron ... Diplomat
        Valerie Van Ost ... Don's wife
        Theo Moreos ... Mayor
        Nick Pandelides ... Monk Superior
        Andreas Potamitis ... Police Chief
        A group of friends search for a young English Oxford student who has disappeared whilst researching in Greece. They are shocked to find that, wherever he has been, certain unsolved murders have taken place. Not believing that their friend could be the perpetrator of such acts, they press on with their search, finding him under the spell of a beautiful Vampire, whose blood-sucking methods include the use of sado-masochism. Believing they have killed her, the group return home, unaware that their friend is now a Vampire.
        Bloodsuckers (aka Doctors Wear Scarlet, Freedom Seekers, Incense of the Damned) is an original take on the vampire myth: it proposes that vampirism is a psychological sickness linked to sexual repression rather than anything supernatural. Shot on location in Greece and England and starring horror film luminaries like Peter Cushing (Hammer's Dracula, etc.) and Edward Woodward (The Wicker Man), it centers on a young student who has disappeared in Greece. When his friends search for him they notice that wherever he has been a number of murders have taken place. They find their friend under the spell of a beautiful vampire, whose blood-sucking methods include the use of S&M sex. Believing that they have killed her, the group return to England, unaware that their friend is now a vampire...