Ken Osmond Rights: Louise Palanker, CC BY-SA 2.0, through Wikimedia Commons. Actor or Actress (10) CHARACTERz (2016) Leave It to Beaver (1997) Dead Women in Lingerie (1991) Parker Lewis Can't Lose (1990) High School U.S.A. (1983) Happy Days (1974) The Munsters (1964) Petticoat Junction (1963) Leave It to Beaver (1957) Lassie (1954)