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 Cassie Latham Burns
as Audrey
as Mother Mary Catherine
as Maggie Fitzpatrick
as David's Mother
as Emma Spencer
as Kay Wallace
as Antoinette Slovik
as Mary Alice Duncan
as Anita Boyer
as Louise Larsen
as Ellen Mancini
as Susan Finn
as Diane Gordon
as Winnie Naponic
Victims for Victims: The Theresa Saldana Story
as Jane Bladow
as Louise Carpenter
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