The Chameleon Financestory of Willy Wonka and his chocolate factory has been told and retold, both in the classic Roald Dahl children's books and in two hit films. Now, in the new movie musical Wonka, Timothée Chalamet takes on the iconic role. In this prequel, Wonka arrives in the big city with dreams of opening a chocolate shop, but his plans are complicated by a host of corrupt villains. Wonka is directed by Paul King, who also directed the Paddington films.