“Suspiria” (2018) pirouettes into the realm of horror with the grace of a possessed ballerina. Dakota Johnson stars as Susie Bannion, an American dancer who joins a Berlin dance academy, only to discover it’s run by witches who prefer casting spells over casting dancers. Tilda Swinton pulls triple duty, portraying the enigmatic Madame Blanc, the elderly Dr. Klemperer, and, quite possibly, your next-door neighbor. Her range knows no bounds.
The film’s choreography is so spellbinding that you’ll wonder if the…