Complex sentence: The Movie is a 2004 direct-to-DVD mockumentary directed by and starring Mark Hamill who is best known for his role as Luke Skywalker, the main character in the original trilogy of "Star Wars" feature films.
Split into simpler sentences: The Movie is a 2004 direct-to-DVD mockumentary directed by and starring Mark Hamill. Hamill is best known for his role as Luke Skywalker, the main character in the original trilogy of "Star Wars" feature films.