In this comedy about a 12-year-old who becomes an adult overnight, Hanks' curly, boyish do helped him get into character. (The giant toy-store piano and goofy tighty-whities didn't hurt, either.)
Top 10 Tom Hanks Hairstyles
Tom Hanks may have toned down his "Da Vinci Code" locks for the sequel, "Angels & Demons," but photos live forever. TIME looks back at his top 10 dos throughout the decades.
Big (1988)