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Mariclare Costello

Mariclare Costello

Acting 1936-02-06 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 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

The Adventures of Buckaroo Banzai Across the 8th Dimension
MOV ⭐ 6.0
The Adventures of Buckaroo Banzai Across the 8th Dimension 1984
Ordinary People
MOV ⭐ 7.4
Ordinary People 1980
Nightmares
MOV ⭐ 5.7
Nightmares 1983
She Said No
MOV ⭐ 7.7
She Said No 1990
The Execution of Private Slovik
MOV ⭐ 7.4
The Execution of Private Slovik 1974
Let's Scare Jessica to Death
MOV ⭐ 6.2
Let's Scare Jessica to Death 1971
After the Fall
MOV ⭐ 8.0
After the Fall 1974
Coward of the County
MOV ⭐ 6.5
Coward of the County 1981
The Gun
MOV ⭐ 8.7
The Gun 1974
Heart of a Champion: The Ray Mancini Story
MOV ⭐ 6.0
Heart of a Champion: The Ray Mancini Story 1985
The Boy Who Drank Too Much
MOV ⭐ 4.7
The Boy Who Drank Too Much 1980
A Sensitive, Passionate Man
MOV ⭐ 5.5
A Sensitive, Passionate Man 1977
Pound
MOV ⭐ 4.8
Pound 1970
Shadow of the Blair Witch
MOV ⭐ 5.7
Shadow of the Blair Witch 2000
All God's Children
MOV ⭐ 6.5
All God's Children 1980
Territorial Men
MOV
Territorial Men 1976
Victims for Victims: The Theresa Saldana Story
MOV ⭐ 7.5
Victims for Victims: The Theresa Saldana Story 1984
Appearances
MOV ⭐ 10.0
Appearances 1990
Skeezer
MOV ⭐ 10.0
Skeezer 1982
Going Where I've Never Been: The Photography of Diane Arbus
MOV ⭐ 6.0
Going Where I've Never Been: The Photography of Diane Arbus 1972