Mariclare Costello — Movies & TV Free

Acting · Born 1936-02-06 · Peoria, Illinois, USA

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.

Also known as: Mariclare Catherine Costello

Filmography

• The Adventures of Buckaroo Banzai Across the 8th Dimension (1984) as Senator Cunningham — rated 6.0/10
• Let's Scare Jessica to Death (1971) as Emily — rated 6.2/10
• Territorial Men (1976) as Julia Baker
• Ordinary People (1980) as Audrey — rated 7.4/10
• The Execution of Private Slovik (1974) as Antoinette Slovik — rated 7.4/10
• The Boy Who Drank Too Much (1980) as Louise Carpenter — rated 4.7/10
• Coward of the County (1981) as Emma Spencer — rated 6.5/10
• Heart of a Champion: The Ray Mancini Story (1985) as Ellen Mancini — rated 6.0/10
• The Gun (1974) as Beryl Strauss — rated 8.7/10
• Appearances (1990) as Rose — rated 10.0/10
• Victims for Victims: The Theresa Saldana Story (1984) as Jane Bladow — rated 6.7/10
• Skeezer (1982) as Barbara Thompson — rated 10.0/10
• A Sensitive, Passionate Man (1977) as Pat Morris — rated 5.5/10
• She Said No (1990) as Susan Finn — rated 7.7/10
• Shadow of the Blair Witch (2000) as Kathy Patterson — rated 5.5/10
• Going Where I've Never Been: The Photography of Diane Arbus (1972) as Herself - Narrator — rated 6.0/10
• Pound (1970) as Honky Killer's Wife — rated 4.8/10
• All God's Children (1980) as Winnie Naponic — rated 6.5/10
• After the Fall (1974) as Louise — rated 8.0/10
• Nightmares (1983) as Adele Cooney (segment "The Bishop of Battle") — rated 5.9/10

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Mariclare Costello is known for acting, born on 1936-02-06 in Peoria, Illinois, USA. Their filmography on FluxEntertainment includes The Adventures of Buckaroo Banzai Across the 8th Dimension, Let's Scare Jessica to Death, Territorial Men, Ordinary People, The Execution of Private Slovik and more titles available to stream free.

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Browse all Mariclare Costello movies and TV appearances, sorted by popularity and rating. Each title includes multi-language subtitles, multiple streaming servers and full HD quality. Start watching any Mariclare Costello film or series right now — completely free on FluxEntertainment.