sentences:  Hanks' appearance on the show led film director Ron Howard to cast him in his first leading role in the fantasy romantic comedy "Splash" (1984).His breakthrough role was in the age-changing comedy "Big" (1988), for which he garnered his first nomination for the Academy Award for Best Actor.In 1993, he starred with Meg Ryan in the Nora Ephron-directed romantic comedy "Sleepless in Seattle".