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.

Known for

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Indecent Proposal

1993 ⭐ 6.4

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She Said No

1990 ⭐ 7.7

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Appearances

1990 ⭐ 10.0

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American Harvest

1987 ⭐ 9.0

Career timeline

2000

Shadow of the Blair Witch

Kathy Patterson · 2000

⭐ 5.7

1993

Indecent Proposal Notable

David's Mother · 1993

⭐ 6.4

1990

She Said No Notable

Susan Finn · 1990

⭐ 7.7

Appearances Notable

Rose · 1990

⭐ 10.0

1987

American Harvest Notable

Mary Alice Duncan · 1987

⭐ 9.0

1985

Heart of a Champion: The Ray Mancini Story

Ellen Mancini · 1985

⭐ 6.0

1984

Victims for Victims: The Theresa Saldana Story Notable

Jane Bladow · 1984

⭐ 7.5

The Adventures of Buckaroo Banzai Across the 8th Dimension

Senator Cunningham · 1984

⭐ 6.0

1983

Nightmares

Adele Cooney (segment "The Bis · 1983

⭐ 5.7

1982

Skeezer Notable

Barbara Thompson · 1982

⭐ 10.0

1981

Coward of the County

Emma Spencer · 1981

⭐ 6.5

1980

Ordinary People Notable

Audrey · 1980

⭐ 7.4

All God's Children

Winnie Naponic · 1980

⭐ 6.5

The Boy Who Drank Too Much

Louise Carpenter · 1980

⭐ 4.7

1977

A Sensitive, Passionate Man

Pat Morris · 1977

⭐ 5.5

1976

Raid on Entebbe

Gabrielle Krieger · 1976

⭐ 6.0

Territorial Men

Julia Baker · 1976

1975

Conspiracy of Terror Notable

Mrs. Warnall · 1975

⭐ 7.0

1974

After the Fall Notable

Louise · 1974

⭐ 8.0

The Gun Notable

Beryl Strauss · 1974

⭐ 8.7

The Execution of Private Slovik Notable

Antoinette Slovik · 1974

⭐ 7.4

1972

Going Where I've Never Been: The Photography of Diane Arbus

Herself - Narrator · 1972

⭐ 6.0

1971

Let's Scare Jessica to Death

Emily · 1971

⭐ 6.2

1970

Pound

Honky Killer's Wife · 1970

⭐ 4.8

Frequently appears with

Robert Redford

John Gage

Demi Moore

Diana Murphy

Woody Harrelson

David Murphy

Seymour Cassel

Mr. Shackleford

Oliver Platt

Jeremy

Veronica Hamel

Elizabeth 'Beth' Early

Lee Grant

D.A. Doris Cantore

Ray Baker

Frank Igus

Judd Hirsch

Martin Knapek

Full filmography

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Shadow of the Blair Witch

2000 ⭐ 5.7

HD

Indecent Proposal

1993 ⭐ 6.4

HD

She Said No

1990 ⭐ 7.7

HD

Appearances

1990 ⭐ 10.0

HD

American Harvest

1987 ⭐ 9.0

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Heart of a Champion: The Ray Mancini Story

1985 ⭐ 6.0

HD

Victims for Victims: The Theresa Saldana Story

1984 ⭐ 7.5

HD

The Adventures of Buckaroo Banzai Across the 8th Dimension

1984 ⭐ 6.0

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Nightmares

1983 ⭐ 5.7

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Skeezer

1982 ⭐ 10.0

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Coward of the County

1981 ⭐ 6.5

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Ordinary People

1980 ⭐ 7.4

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All God's Children

1980 ⭐ 6.5

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The Boy Who Drank Too Much

1980 ⭐ 4.7

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A Sensitive, Passionate Man

1977 ⭐ 5.5

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Raid on Entebbe

1976 ⭐ 6.0

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Territorial Men

1976

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Conspiracy of Terror

1975 ⭐ 7.0

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After the Fall

1974 ⭐ 8.0

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The Gun

1974 ⭐ 8.7