Mark Hamill Pranks Fans in Funny Video for 'Star Wars' Day!

Mark Hamill pops up behind a fan and surprises him while filming a funny video released in celebration of Star Wars Day!

To help promote the new “Force for Change” fundraiser being held on Omaze, Mark channeled several Star Wars characters, including Darth Vader and his own Luke Skywalker, while acting out scenes with the fans.

Fans that want to win a chance to meet Mark can go to Omaze.com/StarWars right now to give a donation to UNICEF and Starlight Children’s Foundation, two incredible children’s charities, and receive an entry into the contest.