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Mariclare Costello

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.

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ACTING

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