​From Wikipedia, the free encyclopedia.   Patricia Blair (born January 15, 1931) is an American television and film actress, primarily on 1950s and 1960s television. She is probably best known as Lou Mallory on the classic Western series The Rifleman where she co starred in 22 episodes with Chuck Connors, Johnny Crawford and veteran actor Paul Fix; and as Rebecca Boone in all six seasons of NBC's Daniel Boone, with co-stars Fess Parker, Darby Hinton, Veronica Cartwright, and Ed Ames. Descripti ...