Acting
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.
Titles
Chicago Hope
1994
Murder, She Wrote
1984
The Waltons
1972
Hart to Hart
1979
The Incredible Hulk
1977
Lou Grant
1977
Kojak
1973
Indecent Proposal
1993
Ordinary People
1980
The Adventures of Buckaroo Banzai Across the 8th Dimension
1984
The Fitzpatricks
1977
Nightmares
1983
Raid on Entebbe
1976
Let's Scare Jessica to Death
1971
The Execution of Private Slovik
1974
Coward of the County
1981
Heart of a Champion: The Ray Mancini Story
1985
She Said No
1990
American Harvest
1987
Conspiracy of Terror
1975
Victims for Victims: The Theresa Saldana Story
1984
Pound
1970
Shadow of the Blair Witch
2000
The Gun
1974
After the Fall
1974
Skeezer
1982
A Sensitive, Passionate Man
1977
All God's Children
1980
Territorial Men
1976
The Boy Who Drank Too Much
1980
Appearances
1990
Going Where I've Never Been: The Photography of Diane Arbus
1972