"Happy Days" star Anson Williams shared some of his favorite memories with his former co-star and friend of over 45 years, Cindy Williams, following her death on Jan. 25. The 73-year-old actor starred as Warren "Potsie" Weber in the hit 1970s sitcom while Cindy originated the role of Shirley Feeney during a cameo appearance on the show, leading to the successful spinoff series "Laverne & Shirley." Anson told Fox News Digital that he was stunned when he learned that his longtime friend had died at the age of 75 following a brief illness. "I've never felt like that," the Golden Globe nominee said.