Warwick Davis is the actor who played Wicket in The Return of the Jedi, but he's also been in many other Star Wars movies. It's kind of like the phrase, "I have a bad feeling about this," when it comes to Star Wars movies. You have to have that phrase in a Star Wars movie, and you have to have Warwick Davis play a role in a Star Wars movie. Those are the two requirements for every Star Wars movie. It doesn't even have to be about the Jedi, but it does have to have those two things.
If you're thinking that the name Warwick Davis is familiar, you probably have heard is name in reference to the fantasy film, Willow. He plays the titular character, Willow. It's a great fantasy movie, considered a classic among fans.