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Natalie Dormer in ‘The Forest’

Dormer plays Sara Price (left), an American woman who travels to a haunted Japanese forest to find for her twin sister Jess (right), who has gone missing. She’s forced to wade through a woodland full of tormented souls during her emotionally charged quest. (Photo: Gramercy Pictures/ James Dittiger)

Double Duty: Actors Who’ve Played Identical Twins

In the the horror movie ‘The Forest’ (in theaters now), Natalie Dormer becomes the latest in a long line of actors who’ve had us seeing double as they play identical twins in a movie. Click through for a mini-history of this time-tested cinematic phenomenon.