Anson Williams (born Anson William Heimlich, September 25, 1949 in Los Angeles, California is an American actor and director, best known for his role as gullible but well-intentioned singer Warren "Potsie" Weber on the television series Happy Days (1974–1984), a role for which he was nominated for the Golden Globe Award for Best Supporting Actor – Series, Miniseries or Television Film.
Williams has since become a prominent television director, working on programs such as Melrose Place (1992–1999), Beverly Hills, 90210 (1990–2000), Sabrina the Teenage Witch (1996–2003), Lizzie McGuire (2001–2004) and The Secret Life of the American Teenager (2008–2013).