Personal Info
Known For
Acting
Birthday
1936-02-06
Place of Birth
Peoria, Illinois, USA
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
as Mrs. Rosemary Fordwick
as Audrey
as Mother Mary Catherine
as Cassie Latham Burns
as David's Mother
as Maggie Fitzpatrick
as Anita Boyer
as Kay Wallace
as Mary Alice Duncan
as Antoinette Slovik
as Adele Cooney (segment "The Bishop of Battle")
as Ellen Mancini
as Susan Finn
as Emma Spencer
The Adventures of Buckaroo Banzai Across the 8th Dimension
as Senator Cunningham
as Louise Larsen
Victims for Victims: The Theresa Saldana Story
as Jane Bladow
as Honky Killer's Wife
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