Julia Margaret Duffy is an American actress. From 1983 to 1990, she played Stephanie Vanderkellen in the TV series Newhart.
as Lynn Gardner(8 eps)
as Mary Jones Davidsoul(18 eps)
as Susan(2 eps)
as Abigail(1 ep)
as Amanda Clark
as Mrs. Szyzmanski
as Isabel
as Maxine Blackmore(1 ep)
as Bonnie
as Francine(1 ep)
as Amanda(1 ep)
as Bunny Radwell(1 ep)
as Grace
as Betty
as Dana Murray(2 eps)
as Phyllis(1 ep)
as Mom(1 ep)
as Emmaline(1 ep)
as Candace Lishman(4 eps)
as Mrs. Harvey
as Martha(1 ep)
as Mrs. Hayfer
as Ms. Watson(1 ep)
as Audrey Wolders Frobisher
as Vanessa Madison
as Ms. Angela(1 ep)
as Doris
as Martha Harrington(1 ep)
as Millie Hanford(1 ep)
as Jane McKillop(2 eps)
as Kimberly(1 ep)
as Mrs. Hayfer(4 eps)
as Sarah Sorkin
as Jessica's Mom
as Charlotte (voice)
as Dr. Fletcher(1 ep)
as Mrs. Hodge(4 eps)
as Sophie Price / Barbara Nash(1 ep)
as Fran Dettweiler(1 ep)
as Aunt Fanny (voice)(1 ep)
as Lucy(1 ep)
as Mrs. Porter(1 ep)
as Ms. Felicia Duffy
as Lindsay Mercer(1 ep)
as Lorraine Kay(1 ep)
as Barb Ballantine(37 eps)
as Politically-Correct Mom
as Maggie Campbell(12 eps)
as Susan Henshaw
as Myrna Foley
as Jackie Flanders
as Casey
as Allison Sugarbaker(23 eps)
as Dee Malone
as Majorie
as Princess Ariel(8 eps)
as Mary Hale(3 eps)
as Mary Graves
as Stephanie Vanderkellen(163 eps)
as Rebecca Prout(1 ep)
as Arlene Greenspan(1 ep)
as Julie
as Young Girl
as Mol
as Sandy(2 eps)
as Paula(1 ep)
as Charlene(1 ep)
as Self - Nominee(1 ep)