Susan Sullivan is an American actress. She had her career beginnings in the 1960s, debuting in the TV film The Winter’s Tale. In 1970, she starred in the TV series The Best of Everything. She later starred as Nancy Condon in the TV show A World Apart. She became further known for her role as Lenore Moore Curtin Delaney in the soap opera Another World. In the following decade, Sullivan became further known for her role as Maggie Gioberti Channing in Falcon Crest. She went on to star as Kitty Montgomery in Dharma & Greg. More recently, she became known for her role as Martha Rodgers in the ABC series Castle.