The Other is a 1972 American horror psychological thriller film directed by Robert Mulligan, adapted for film by Thomas Tryon from his 1971 novel of the same name. It stars Uta Hagen, Diana Muldaur, and twins Chris and Martin Udvarnoky, with Victor French, John Ritter, and Jenny Sullivan in supporting roles.

Robert Patrick Mulligan was an American director and producer. He is best known for his sensitive dramas, including To Kill a Mockingbird (1962), Summer of '42 (1971), The Other (1972), Same Time, Next Year (1978), and The Man in the Moon (1991). He was also known in the 1960s for his extensive collaborations with producer Alan J. Pakula.