Why so serious, Mark Hamill? Watch Hamill impersonate the Joker

Mark Hamill plays both Luke Skywalker and the Joker to re-create the "I am your father" scene from "The Empire Strikes Back."

With the new coming out next year, it's time to round up all the actors from the legendary series to promote the film.

Mark Hamill, who played Luke Skywalker in the original trilogy and will reprise that role for the next flick, was on "Inside the Magic" on Friday as part of Walt Disney World's Star Wars Weekends 2014 promo campaign.

During the interview, one fan asked Hamill via Twitter to do a short dialogue between Luke Skywalker and the Joker from the Batman series, in which the Joker informs Luke that he is Luke's father.

Of course, Hamill complied and does a pretty good impression of the Batman villain -- as you'd expect since he's been voicing the Joker for over 20 years and is considered by many the standard against which all others are compared. Check out the video above to see for yourself.

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