John Ratzenberger is an American actor born on April 6, 1947 in Bridgeport, CT. He is best known for his role as the know-it-all mailman Cliff Clavin on the television series Cheers. He has also voiced a role in a number of Pixar films, including Toy Story, Up, Wall-E, Monsters Inc. and Inside Out.
John Ratzenberger is a member of TV Actor