The Devil's Bloody Playthings 2005

Karen advertises for a roommate, and a charming young woman, named Christine, charms her way into the apartment and into Karen's life. But soon, Christine is revealed to be a dangerous psychopath who proceeds to sabotage Karen's life any way she can, as well as kill all her friends whom suspect her secret past

Cast:

Ruby LaRocca
Christine 

Zoe Moonshine
Karen