From Wikipedia, the free encyclopedia. Susan Michaela Sullivan (born November 18, 1942, height 5 7½ (1,71 m) ) is an American actress, known for several notable roles on various television programs. Sullivan played the role of Lenore Curtin Delaney on the daytime soap opera, Another World (1971–1976); Maggie Gioberti Channing on the popular 1980s soap opera, Falcon Crest (1981–1989); and Kitty Montgomery on the popular 1990s sitcom Dharma & Greg (1997–2002). She currently appears in Castle as Richard Castles mother Martha Rodgers. Description above from the Wikipedia article Susan Sullivan, licensed under CC-BY-SA, full list of contributors on Wikipedia.