Comedy favorite Robin Williams lights up the screen in JACK, the acclaimed hit that had critics and audiences cheering! Williams stars as a mischievous 10-year-old who acts like any other boy his age, except he's in a grown-up's body. It's nonstop laughs as Jack embarks on the greatest adventure of his young life ... the fifth grade. In his wildest role ever, Williams takes you on a hilarious ride as Jack explores the ups and downs of life from a kid's point of view! With Bill Cosby, and sexy Fran Drescher, Diane Lane, and Jennifer Lopez -- join the millions of moviegoers who loved this outrageous comedy hit!