O was released in the year 1993。O is also called as Doppelganger, Amor Mata, Doppelgänger, Doppelganger - kaksoisolento, le double maléfique, Doppelganger: The Evil Within, Double maléfique, Le, Dubbelgångaren, Enigma Mortal, Mask of Murder 2。

A woman (Barrymore) moves from NYC to LA after a murder, in which she is implicated. She is followed by what is apparently her evil alter- ego. She moves into a room for rent by a writer (Newbern), and he begins having an affair with her, but after some strange things happen, he's not so sure if the affair is with her or her doppelganger.

O actors and actresses include Danny Trejo, Dennis Christopher, George Maharis, George Newbern, Jaid Barrymore, Karen Leigh Hopkins, Sally Kellerman, Scott Lawrence。