Mariclare Costello
Acting Born Feb 6, 1936 Peoria, Illinois, USA 24 credits
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.
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Full filmography
- Murder, She Wrote (1984) as Cassie Latham Burns
- Chicago Hope (1994) as Mother Mary Catherine
- The Waltons (1972) as Mrs. Rosemary Fordwick
- The Waltons (1972) as Miss Rosemary Hunter
- The Waltons (1972) as Mrs. Rosemary Fordwick (archive footage)
- Lou Grant (1977) as Louise Larsen
- Hart to Hart (1979) as Anita Boyer
- The Incredible Hulk (1977) as Kay Wallace
- Kojak (1973) as Diane Gordon
- Indecent Proposal (1993) as David's Mother
- The Adventures of Buckaroo Banzai Across the 8th Dimension (1984) as Senator Cunningham
- The Fitzpatricks (1977) as Maggie Fitzpatrick
- Ordinary People (1980) as Audrey
- Raid on Entebbe (1976) as Gabrielle Krieger
- The Gun (1974) as Beryl Strauss
- Nightmares (1983) as Adele Cooney (segment "The Bishop of Battle")
- Let's Scare Jessica to Death (1971) as Emily
- She Said No (1990) as Susan Finn
- The Execution of Private Slovik (1974) as Antoinette Slovik
- Heart of a Champion: The Ray Mancini Story (1985) as Ellen Mancini
- The Boy Who Drank Too Much (1980) as Louise Carpenter
- All God's Children (1980) as Winnie Naponic
- American Harvest (1987) as Mary Alice Duncan
- After the Fall (1974) as Louise