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The Dark Mirror (film)

The Dark Mirror
The dark mirror vhs cover.jpg
Theatrical release poster
Directed by Robert Siodmak
Produced by Nunnally Johnson
Screenplay by Nunnally Johnson
Story by Vladimir Pozner
Starring Olivia de Havilland
Lew Ayres
Thomas Mitchell
Music by Dimitri Tiomkin
Cinematography Milton R. Krasner
Edited by Ernest J. Nims
Production
company
International Pictures
Nunnally Johnson Productions
Distributed by Universal Pictures
Release date
  • October 18, 1946 (1946-10-18) (United States)
Running time
85 minutes
Country United States
Language English
Box office $2,750,000 (US rentals)

The Dark Mirror is a 1946 American film noir psychological thriller film directed by Robert Siodmak starring Olivia de Havilland as twins and Lew Ayres as their psychiatrist. The film marks Ayres' return to motion pictures following his conscientious objection to service in World War II. De Havilland had begun to experiment with method acting at the time and insisted that everyone in the cast meet with a psychiatrist. The film anticipates producer/screenwriter Nunnally Johnson's psycho-docu-drama The Three Faces of Eve (1957). Vladimir Pozner's original story on which the film is based was nominated for an Academy Award.

Dr. Frank Peralta is stabbed to death in his apartment one night. The detective on the case, Lt. Stevenson (Mitchell), quickly finds multiple witnesses putting Peralta's lover, Terry Collins (de Havilland), at the scene. However, when Stevenson finds Terry and questions her, she has an iron-clad alibi with multiple witnesses. It is revealed that Terry has an identical twin sister, Ruth (de Havilland), and the pair share the same job and routinely switch places for their own benefit. Stevenson and the district attorney are unable to prosecute, since the twins refuse to confirm which one of them has the alibi.

Unable to accept the "perfect crime", Lt. Stevenson asks Dr. Scott Elliot (Ayres) for help. Scott is an expert on twin study, and has been routinely encountering the Collins twins at their shared place of work, but does not know which one is which. As a front, Scott asks Terry and Ruth if he can study both of them individually as part of his research. The twins accept, though Ruth is worried that Scott might find out that Terry was at Peralta's apartment the night of the murder. However, Terry is attracted to Scott and insists that they can keep the secret for the sake of seeing him. She also comforts Ruth, reminding her that she was only at Peralta's apartment but didn't kill him.

From Scott's psychological tests and by spending time with them, he discovers that Ruth is kind and loving, while Terry is highly intelligent, insane, and has been manipulating Ruth almost their entire lives. Terry is jealous that people keep preferring Ruth over her, and is again enraged when Scott falls in love with Ruth instead of her. Terry starts methodically gaslighting Ruth, making her believe that she's hallucinating and going insane, in the hopes of pushing her to suicide.


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