Mariclare Costello

Acting

February 6, 1936 – April 17, 2026 (died at 90)

Peoria, Illinois, USA

Female

24 Movies

10 TV Shows

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.

Let's Scare Jessica to Death

1971 6.2

as Emily

Age 35 (now 90)

Ordinary People

1980 7.4

as Audrey

Age 44 (now 90)

Indecent Proposal

1993 6.4

as David's Mother

Age 57 (now 90)

The Execution of Private Slovik

1974 7.4

as Antoinette Slovik

Age 38 (now 90)

Shadow of the Blair Witch

2000 5.7

as Kathy Patterson

Age 64 (now 90)

The Adventures of Buckaroo Banzai Across the 8th Dimension

1984 6.0

as Senator Cunningham

Age 48 (now 90)

Nightmares

1983 5.7

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

Age 47 (now 90)

Coward of the County

1981 6.5

as Emma Spencer

Age 45 (now 90)

The Waltons

1972 7.2

as Mrs. Rosemary Fordwick

Age 36 (now 90) 4 eps

4 eps

The Waltons

1972 7.2

as Miss Rosemary Hunter

Age 36 (now 90) 3 eps

3 eps

Victims for Victims: The Theresa Saldana Story

1984 7.5

as Jane Bladow

Age 48 (now 90)

Pound

1970 4.8

as Honky Killer's Wife

Age 34 (now 90)

Raid on Entebbe

1976 6.0

as Gabrielle Krieger

Age 40 (now 90)

Heart of a Champion: The Ray Mancini Story

1985 6.0

as Ellen Mancini

Age 49 (now 90)

The Incredible Hulk

1977 7.2

as Kay Wallace

Age 41 (now 90) 1 ep

1 ep

Murder, She Wrote

1984 7.5

as Cassie Latham Burns

Age 48 (now 90) 1 ep

1 ep

Shadow of the Blair Witch

2000 5.7

as Kathy Patterson

Age 64 (now 90)

Indecent Proposal

1993 6.4

as David's Mother

Age 57 (now 90)

She Said No

1990 7.7

as Susan Finn

Age 54 (now 90)

Appearances

1990 10.0

as Rose

Age 54 (now 90)

American Harvest

1987 9.0

as Mary Alice Duncan

Age 50 (now 90)

Heart of a Champion: The Ray Mancini Story

1985 6.0

as Ellen Mancini

Age 49 (now 90)

Victims for Victims: The Theresa Saldana Story

1984 7.5

as Jane Bladow

Age 48 (now 90)

The Adventures of Buckaroo Banzai Across the 8th Dimension

1984 6.0

as Senator Cunningham

Age 48 (now 90)

Nightmares

1983 5.7

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

Age 47 (now 90)

Skeezer

1982 10.0

as Barbara Thompson

Age 46 (now 90)

Coward of the County

1981 6.5

as Emma Spencer

Age 45 (now 90)

Ordinary People

1980 7.4

as Audrey

Age 44 (now 90)

All God's Children

1980 6.5

as Winnie Naponic

Age 44 (now 90)

The Boy Who Drank Too Much

1980 4.7

as Louise Carpenter

Age 44 (now 90)

A Sensitive, Passionate Man

1977 5.5

as Pat Morris

Age 41 (now 90)

Raid on Entebbe

1976 6.0

as Gabrielle Krieger

Age 40 (now 90)

Territorial Men

1976

as Julia Baker

Age 40 (now 90)

Conspiracy of Terror

1975 7.0

as Mrs. Warnall

Age 39 (now 90)

After the Fall

1974 8.0

as Louise

Age 38 (now 90)

The Gun

1974 8.7

as Beryl Strauss

Age 38 (now 90)

The Execution of Private Slovik

1974 7.4

as Antoinette Slovik

Age 38 (now 90)