Mark Lonow Actor or Actress (14) National Security (2003) Truth or Consequences, N.M (1997) Sabrina, the Teenage Witch (1996) Chicago Hope (1994) Mr. Saturday Night (1992) Beverly Hills, 90210 (1990) Quantum Leap (1989) Murphy Brown (1988) Moonlighting (1985) The Last Married Couple in America (1980) Thank God It's Friday (1978) The Rockford Files (1974) Columbo (1971) All in the Family (1971) Producer (1) With Friends like These... (1998)