F. William Parker is an American character actor. He has appeared in these television series: The West Wing (as Rev. Al Caldwell), NYPD Blue, The X Files, Married... with Children, Seinfeld, Murphy Brown, Wings, Newhart, Alice, General Hospital, Dynasty, Taxi, Barney Miller, Archie Bunker's Place, CHiPs, The Jeffersons, Laverne & Shirley, Happy Days, Little House on the Prairie, The Love Boat, The Bob Newhart Show, Good Times, The Golden Girls and The Waltons.