Actor

Mariclare Costello

New Wave Era1936–2026DramaHorrorComedy

Chronicler of the Human Condition

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Derailed

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Known For

24 acting credits

as Audrey

Ordinary People

as Audrey

1980

Ordinary People

as David's Mother

Indecent Proposal

as David's Mother

1993

Indecent Proposal

Filmography

2000Shadow of the Blair WitchKathy Patterson5.7 1993Indecent ProposalDavid's Mother6.4 1990AppearancesRose10.0 1990She Said NoSusan Finn7.7 1987American HarvestMary Alice Duncan9.0 1985Heart of a Champion: The Ray Mancini StoryEllen Mancini

About

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.

Data provided by The Movie Database (TMDB)