wonka is an upcoming musical fantasy film directed by paul king from a screenplay written by simon farnaby and king. it is a prequel to to the 1964 novel "charlie and the chocolate factory" by roald dahl and stars timothée chalamet as the title character, following his early days as an eccentric chocolatier. keegan-michael key, sally hawkins, rowan atkinson, olivia colman, and jim carter star in supporting roles in the movie.