Personal Info
Known For
Acting
Birthdate
1936-02-06
Day of Death
2026-04-17
Place of Birth
Peoria, Illinois, USA
Mariclare Costello
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.
Filmography (24)
⭐ 5.7
Role:
Kathy Patterson
Shadow of the Blair Witch
2000
⭐ 6.4
Role:
David's Mother
Indecent Proposal
1993
⭐ 7.7
Role:
Susan Finn
She Said No
1990
⭐ 10.0
Role:
Rose
Appearances
1990
⭐ 9.0
Role:
Mary Alice Duncan
American Harvest
1987
⭐ 6.0
Role:
Ellen Mancini
Heart of a Champion: The Ray Mancini Story
1985
⭐ 7.5
Role:
Jane Bladow
Victims for Victims: The Theresa Saldana Story
1984
⭐ 6.0
Role:
Senator Cunningham
The Adventures of Buckaroo Banzai Across the 8th Dimension
1984
⭐ 5.7
Role:
Adele Cooney (segment "The Bishop of Battle")
Nightmares
1983
⭐ 10.0
Role:
Barbara Thompson
Skeezer
1982
⭐ 6.5
Role:
Emma Spencer
Coward of the County
1981
⭐ 7.4
Role:
Audrey
Ordinary People
1980
⭐ 6.5
Role:
Winnie Naponic
All God's Children
1980
⭐ 4.7
Role:
Louise Carpenter
The Boy Who Drank Too Much
1980
⭐ 5.5
Role:
Pat Morris
