Susan Sullivan is an American actress, best known as Martha Rodgers on ABC’s Castle, Kitty Montgomery on ABC’s Dharma & Greg,and Maggie Gioberti Channing on CBS’ Falcon Crest. Other television credits include Lois Adams on ABC’s It’s a Livingand Lenore Curtin Delaney on NBC’s Another World. Film credits include A Concert Across America, My Best Friend's Wedding, The Incredible Hulk, Midway, A Perfect Stranger, and Rich Man, Poor Man. Theatre credits include her Broadway debut as Alison Ames/Helen Claiborne in Avanti! (Booth Theatre) and Elizabeth Evans in Jimmy Shine(Brooks Atkinson Theatre); Off-Broadway, as Julia in The Fourth Wall (Primary Stages), Amanda in Buffalo Gal (59E59 Theater), and April Monkhood/April in The Beauty Part (American Place Theatre); and regionally, as Clairee Belcher in Steel Magnolias (Bucks County Playhouse), Agnes in A Delicate Balance (Odyssey Theatre), and Honor in Honor and Freda Chatfield in Dangerous Corner (Matrix Theatre).