Mariclare Costello

Person

Mariclare Costello

Acting February 6, 1936

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…

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Known for

Popular titles

Indecent Proposal

Indecent Proposal

6.4 1993 Movie
Murder, She Wrote

Murder, She Wrote

7.5 1984 TV Show
The Incredible Hulk

The Incredible Hulk

7.2 1977 TV Show
Chicago Hope

Chicago Hope

7.2 1994 TV Show
Ordinary People

Ordinary People

7.4 1980 Movie
The Waltons

The Waltons

7.1 1972 TV Show
The Adventures of Buckaroo Banzai Across the 8th Dimension

The Adventures of Buckaroo Banzai Across the 8th Dimension

6.0 1984 Movie
Hart to Hart

Hart to Hart

6.9 1979 TV Show
Kojak

Kojak

7.3 1973 TV Show
Lou Grant

Lou Grant

7.4 1977 TV Show
Let's Scare Jessica to Death

Let's Scare Jessica to Death

6.2 1971 Movie
Nightmares

Nightmares

5.7 1983 Movie

Biography

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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

Movies and shows, newest first

  1. 2000
    Shadow of the Blair Witch

    Movie Kathy Patterson

  2. 1994
    Chicago Hope

    TV show Mother Mary Catherine

  3. 1993
    Indecent Proposal

    Movie David's Mother

  4. 1990
    She Said No

    Movie Susan Finn

  5. 1990
    Appearances

    Movie Rose

  6. 1987
    American Harvest

    Movie Mary Alice Duncan

  7. 1985
    Heart of a Champion: The Ray Mancini Story

    Movie Ellen Mancini

  8. 1984
    Victims for Victims: The Theresa Saldana Story

    Movie Jane Bladow

  9. 1984
    Murder, She Wrote

    TV show Cassie Latham Burns

  10. 1984
    The Adventures of Buckaroo Banzai Across the 8th Dimension

    Movie Senator Cunningham

  11. 1983
    Nightmares

    Movie Adele Cooney (segment "The Bishop of Battle")

  12. 1982
    Skeezer

    Movie Barbara Thompson

  13. 1981
    Coward of the County

    Movie Emma Spencer

  14. 1980
    Ordinary People

    Movie Audrey

  15. 1980
    All God's Children

    Movie Winnie Naponic

  16. 1980
    The Boy Who Drank Too Much

    Movie Louise Carpenter

More credits
  1. 1979
    Hart to Hart

    TV show Anita Boyer

  2. 1977
    The Incredible Hulk

    TV show Kay Wallace

  3. 1977
    Lou Grant

    TV show Louise Larsen

  4. 1977
    The Fitzpatricks

    TV show Maggie Fitzpatrick

  5. 1977
    A Sensitive, Passionate Man

    Movie Pat Morris

  6. 1976
    Raid on Entebbe

    Movie Gabrielle Krieger

  7. 1976
    Territorial Men

    Movie Julia Baker

  8. 1975
    Conspiracy of Terror

    Movie Mrs. Warnall

  9. 1974
    After the Fall

    Movie Louise

  10. 1974
    The Gun

    Movie Beryl Strauss

  11. 1974
    The Execution of Private Slovik

    Movie Antoinette Slovik

  12. 1973
    Kojak

    TV show Diane Gordon

  13. 1972
    Going Where I've Never Been: The Photography of Diane Arbus

    Movie Herself - Narrator

  14. 1972
    The Waltons

    TV show Mrs. Rosemary Fordwick

  15. 1971
    Let's Scare Jessica to Death

    Movie Emily

  16. 1970
    Pound

    Movie Honky Killer's Wife