Mariclare Costello
Known for: Acting
Born: February 6, 1936
Died: April 17, 2026
Place of birth: Peoria, Illinois, USA
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.
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Filmography
24 movies · 8 TV shows, newest first
5.7
Shadow of the Blair Witch
2000
7.2
Chicago Hope
1994
6.4
Indecent Proposal
1993
7.7
She Said No
1990
10.0
Appearances
1990
9.0
American Harvest
1987
6.0
Heart of a Champion: The Ray Mancini Story
1985
7.5
Victims for Victims: The Theresa Saldana Story
1984
7.5
Murder, She Wrote
1984
6.0
The Adventures of Buckaroo Banzai Across the 8th Dimension
1984
5.7
Nightmares
1983
10.0
Skeezer
1982
6.5
Coward of the County
1981
7.4
Ordinary People
1980
6.5
All God's Children
1980
4.7
The Boy Who Drank Too Much
1980
6.9
Hart to Hart
1979
7.2
The Incredible Hulk
1977
7.4
Lou Grant
1977
7.5
The Fitzpatricks
1977
5.5
A Sensitive, Passionate Man
1977
6.0
Raid on Entebbe
1976
NR
Territorial Men
1976
7.0
Conspiracy of Terror
1975
8.0
After the Fall
1974
8.7
The Gun
1974
7.4
The Execution of Private Slovik
1974
7.2
Kojak
1973
6.0
Going Where I've Never Been: The Photography of Diane Arbus
1972
7.2
The Waltons
1972
6.2
Let's Scare Jessica to Death
1971
4.8
Pound
1970