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John Markus

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Biography

John Markus is a writer and producer, known for The Cosby Show (1984), The Earth Day Special (1990) and LateLine (1998). Read more...

Actor

Character: Himself

Smokin' in Mesquite 0

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Character: Himself

Diamond State BBQ 0

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Character: Himself

The Big Pig Jig 0

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Character: Himself

Johnny Trigg's Shootout 0

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Character: Himself

Episode #2.22 0

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Writing