Mark Hamill and Ted Cruz got into a Twitter Fight Over Net Neutrality Two of the biggest events of the past week, net neutrality and 'Star Wars,' collided on Sunday. Mark Hamill, who plays Luke Skywalker, tweeted about Ajit Pai, the head of the Federal Communications Commission, after he made a video explaining net neutrality by using a lightsaber. Of course, someone else had to get involved. Specifically, Sen. Ted Cruz. It seems like the force was not with Sen. Cruz.