First Look: Mark Hamill Guests on Chuck

Chuck Even a Jedi knight is no match for spy-for-hire Chuck Bartowski! Sci-fi icon Mark Hamill (with Zachary Levi) guest stars as a rich thief named Jean Claude for Chuck's October 21 season premiere. "It was a blast!" says executive producer Chris Fedak. "We couldn't be more excited to have Mark join us. He's the perfect combination of funny and villainous to get us started with Season 5." Use the Force, Mark! Subscribe to TV Guide Magazine now!

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