Biography
Julia Margaret Duffy is an American actress. From 1983 to 1990, she played Stephanie Vanderkellen in the TV series Newhart.
Acting credits 15 titles
The 'Burbs
as Lynn Gardner
Series
2026–
5.3
Christmas with the Campbells
as Liz
Film
2022
5.6
Christmas at the Plaza
as Amanda Clark
Film
2019
6.4
Yinz
as Mrs. Szyzmanski
Film
2019
2.0
Fair Market Value
as Isabel
Film
2019
5.2
Grand-Daddy Day Care
as Bonnie
Film
2019
5.8
Camp X-Ray
as Betty
Film
2014
6.7
Intolerable Cruelty
as Sarah Sorkin
Film
2003
6.0
Social Studies
Series
1997
9.0
The Mommies
as Barb Ballantine
Series
1993–1995
6.7
Wizards and Warriors
as Princess Ariel
Series
1983
7.0
The Blue and the Gray
as Mary Hale
Series
1982
6.7
Newhart
as Stephanie Vanderkellen
Series
1982–1990
7.2
Cutter's Way
as Young Girl
Film
1981
6.5
Battle Beyond the Stars
as Mol
Film
1980
5.4
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Dikenal lewat
7.2
Series
Newhart
Stephanie Vanderkellen
1982–1990
6.5
Film
Cutter's Way
Young Girl
1981
5.4
Film
Battle Beyond the Stars
Mol
1980
5.3
Series
The 'Burbs
Lynn Gardner
2026–
6.0
Film
Intolerable Cruelty
Sarah Sorkin
2003
6.7
Film
Camp X-Ray
Betty
2014
6.7
Series
The Mommies
Barb Ballantine
1993–1995
6.7
Series
The Blue and the Gray
Mary Hale
1982
7.0
Series
Wizards and Warriors
Princess Ariel
1983
9.0
Series
Social Studies
1997
5.8
Film
Grand-Daddy Day Care
Bonnie
2019
6.4
Film
Christmas at the Plaza
Amanda Clark
2019
5.6
Film
Christmas with the Campbells
Liz
2022
2.0
Film
Yinz
Mrs. Szyzmanski
2019
5.2
Film
Fair Market Value
Isabel
2019