Acting
Mariclare Costello
Also Known As: Mariclare Catherine Costello
Birth Date
February 6, 1936
Death Date
April 17, 2026
(passed away at 90)
Place of Birth
Peoria, Illinois, USA
Popularity
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Biography
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.
Photos
Murder, She Wrote
Cassie Latham Burns
1984 • 1 episode
Chicago Hope
Mother Mary Catherine
1994 • 1 episode
The Waltons
Mrs. Rosemary Fordwick
1972 • 4 episodes
Hart to Hart
Anita Boyer
1979 • 1 episode
The Incredible Hulk
Kay Wallace
1977 • 1 episode
Lou Grant
Louise Larsen
1977 • 1 episode
Kojak
Diane Gordon
1973 • 1 episode
Indecent Proposal
David's Mother
1993
Ordinary People
Audrey
1980
The Fitzpatricks
Maggie Fitzpatrick
1977 • 13 episodes
The Adventures of Buckaroo Banzai Across the 8th Dimension
Senator Cunningham
1984
Nightmares
Adele Cooney (segment "The Bishop of Battle")
1983
Raid on Entebbe
Gabrielle Krieger
1976
Let's Scare Jessica to Death
Emily
1971
Coward of the County
Emma Spencer
1981
She Said No
Susan Finn
1990
American Harvest
Mary Alice Duncan
1987
The Execution of Private Slovik
Antoinette Slovik
1974
Heart of a Champion: The Ray Mancini Story
Ellen Mancini
1985
Victims for Victims: The Theresa Saldana Story
Jane Bladow
1984