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Frequently Asked Questions
- How long is The Dark Mirror?
- The Dark Mirror is 1 hr 25 min long.
- Who directed The Dark Mirror?
- Robert Siodmak
- Who is Terry/Ruth Collins in The Dark Mirror?
- Olivia de Havilland plays Terry/Ruth Collins in the film.
- What is The Dark Mirror about?
- After a doctor is murdered, Lt. Stevenson (Thomas Mitchell) questions the man's girlfriend, Terry Collins (Olivia de Havilland). Sensing that she's keeping a secret, Stevenson confronts Terry in her home, where he meets her identical twin sister, Ruth (also de Havilland). Both women appear exactly alike, sometimes even posing as each other. However, when twin expert Dr. Elliott (Lew Ayres) analyzes the sisters, he finds that one twin is normal, while the other is psychotic -- but which one?