Welker, 79, is the longest-running cast member in the franchise. He voiced Fred Jones back in the original series. After that ...
Starring Mark Hamill! Driving in Japan, the gang are stopped by the famous actor, who's in town for a school reunion. But one of the teachers is at risk - can they save the day?
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Scooby-Doo: Every TV Series (In Chronological Order)The Scooby-Doo franchise's legacy is solidified ... They also teamed with real-life people, including Mark Hamill, Bill Nye, ...
Starring Mark Hamill! Driving in Japan, the gang are stopped by the famous actor, who's in town for a school reunion. But one of the teachers is at risk - can they save the day?
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