John Ratzenberger Talks About The Success Of 'Cheers' and Disney's Pixar

Ratzenberger is well known for playing mail carrier Cliff Clavin on the sitcom Cheers. He had read for the part of Norm Peterson, but after the audition, he sensed that they weren't going to give him the part. Sensing an opportunity, he asked if they had written a bar know-it-all, which the producers decided was a great idea.
FULL INTERVIEW HERE: www.myfoxla.com/story/27557786/john-ratzenberger