IF is a 2024 comedy-drama-family movie written and directed by John Krasinski about a young girl who discovers she can see imaginary friends (IFs) and sets out to help them find new companions. The movie stars Cailey Fleming as Bea, a 12-year-old who moves in with her grandmother after her mother dies and her father has surgery. Bea befriends a group of IFs living in her neighbor Cal's (Ryan Reynolds) apartment and helps them reconnect with the adults who outgrew them. The movie also features the voices of Phoebe Waller-Bridge, Louis Gossett Jr., and Steve Carell, as well as Alan Kim and Liza Colón-Zayas.