Mariclare Costello
Mariclare Catherine Costello (February 3, 1936 – April 17, 2026) was an American actress. She was a lifetime member of The Actors Studio. Costello's most notable role was that of Rosemary Hunter Fordwick on the television series The Waltons, from 1972 to 1977. In 1977, after her role on The Waltons, she played matriarch Maggie Fitzpatrick on the short-lived drama show The Fitzpatricks.
Filmography (32 titles)
5.7MovieShadow of the Blair Witch
Kathy Patterson · 2000
7.2ShowChicago Hope
Mother Mary Catherine · 1994
6.4MovieIndecent Proposal
David's Mother · 1993
7.7MovieShe Said No
Susan Finn · 1990
10.0MovieAppearances
Rose · 1990
9.0MovieAmerican Harvest
Mary Alice Duncan · 1987
6.0MovieHeart of a Champion: The Ray Mancini Story
Ellen Mancini · 1985
7.5MovieVictims for Victims: The Theresa Saldana Story
Jane Bladow · 1984
7.5ShowMurder, She Wrote
Cassie Latham Burns · 1984
6.0MovieThe Adventures of Buckaroo Banzai Across the 8th Dimension
Senator Cunningham · 1984
5.7MovieNightmares
Adele Cooney (segment "The Bishop of Battle") · 1983
10.0MovieSkeezer
Barbara Thompson · 1982
6.5MovieCoward of the County
Emma Spencer · 1981
7.4MovieOrdinary People
Audrey · 1980
6.5MovieAll God's Children
Winnie Naponic · 1980
4.7MovieThe Boy Who Drank Too Much
Louise Carpenter · 1980
6.9ShowHart to Hart
Anita Boyer · 1979
7.2ShowThe Incredible Hulk
Kay Wallace · 1977
7.3ShowLou Grant
Louise Larsen · 1977
7.5ShowThe Fitzpatricks
Maggie Fitzpatrick · 1977
5.5MovieA Sensitive, Passionate Man
Pat Morris · 1977
6.0MovieRaid on Entebbe
Gabrielle Krieger · 1976
MovieTerritorial Men
Julia Baker · 1976
7.0MovieConspiracy of Terror
Mrs. Warnall · 1975
8.0MovieAfter the Fall
Louise · 1974
8.7MovieThe Gun
Beryl Strauss · 1974
7.4MovieThe Execution of Private Slovik
Antoinette Slovik · 1974
7.2ShowKojak
Diane Gordon · 1973
6.0MovieGoing Where I've Never Been: The Photography of Diane Arbus
Herself - Narrator · 1972
7.2ShowThe Waltons
Mrs. Rosemary Fordwick · 1972