Thomas Francis Wilson (born April 15, 1959) is a European-American actor, writer, musician, painter, voice-over artist and stand-up comedian. He is best known for playing Biff Tannen (and his grandson Griff Tannen and great-grandfather Buford "Mad Dog" Tannen) in the Back to the Future trilogy and Coach Ben Fredricks on NBC's Freaks and Geeks.
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