Henry Winkler dishes on the 'Happy Days' guest star who had a big ego

Henry Winkler is sharing which former screen partner didn't leave the best impression on him. While appearing at a recent fan expo in Tennessee, the 80-year-old actor spoke about the comradery on set of "Happy Days," explaining "on our set, there was no stardom," and how one guest star failed to mesh with the rest of the cast. "We were an ensemble. We worked hard at making it funny every week," he said. "One guy came on as a guest star, and then he was brought back a few times, and he would ment