How was Dial M for Murder originally filmed?

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Master of suspense — Alfred Hitchcock Alfred Hitchcock's talent as both filmmaker and storyteller is abundantly evident in a film catalog that includes *Dial M for Murder*, *Vertigo*, *Psycho*, and *The Birds*.

Dial M for Murder (1954) was originally filmed in 3-D during the height of that technology's short-lived popularity in the early 1950s.12

Although it was produced using this stereoscopic process, the film was primarily exhibited to audiences in a standard "flat" format at the time of its release. It was later rereleased in its original 3-D format during the 1980s. The film is notable for maintaining the spatial boundaries of the London flat setting featured in the original stage play by Frederick Knott.12