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Hollywood's Secret Sitcom Stars

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Robin Williams: 'Mork & Mindy'

Late Academy Award-winning actor Robin Williams didn't start his career on the big screen. The star rose to fame in the late 1970s with his role as the alien Mork in the ABC sitcom "Mork & Mindy." —XFINITY Entertainment Staff (Photos: Getty Images)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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