NOW: John Ratzenberger
John Ratzenberger, who remained with "Cheers" through its final season, has had a voice role in every animated Disney-Pixar film to date, including notable parts as Hamm the Piggy Bank in "Toy Story" and Mack the truck in the "Cars" series. The actor, now 66, recently appeared on an episode of ABC Family's "Melissa and Joey." —XFINITY Entertainment Staff (Photo by Michael Tullberg/Getty Images)
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