who played potsie on happy days
Published November 13, 2014. FoxNews.com. Anson Williams played Potsie on Happy Days for all of the showâs 11 seasons. Later moving behind the camera as a director and producer, Williams has written a memoir about his amazing journey called Singing to a Bulldog: From âHappy Daysâ To Hollywood Director and the Unlikely Mentor Who Got Me There..