- HD 1080
- Runtime: 81m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Joseph Pevney
- Stars: Charles Laughton, Boris Karloff, Sally Forrest, Richard Wyler, William Cottrell
- keywords: kidnapping, secret passage, arranged marriage, torture, gothic horror, trapped, dungeon, based on short story, water wheel, 17th century, chateau
- Production_studio: Universal International Pictures, Universal Pictures
- Slogan: Robert Louis Stevenson's masterpiece of Terror !
- The The Strange Door is featured in the top rankings of 1951
- #28 in Top Thriller Movies of 1951
- #3 in Top Horror Movies of 1951
The wicked Alain plots an elaborate revenge against his younger brother Edmund, leading to a deadly confrontation in his dungeon deathtrap.