1996 film by Harold Ramis
Multiplicity is a 1996 American science fiction comedy film starring Michael Keaton and Andie MacDowell about a man able to duplicate himself by machine, each duplicate developing a different personality, causing problems. It was based on Chris Miller's short story of the same name, published in National Lampoon magazine. The film was co-produced and directed by Harold Ramis. The original music score was composed by George Fenton.
The film was released by Sony Pictures Releasing on July 17, 1996. It received mixed reviews from critics, and grossed a worldwide total of $37 million at the box office, significantly less than its $45 million budget.
Plot summary adapted from Wikipedia, licensed under CC BY-SA 4.0.