Mariclare Costello
Actor
Born Feb 6, 1936 · Peoria, Illinois, USA
Active 1970–2026
Mariclare Catherine Costello (February 3, 1936 – April 17, 2026) was an American actress. She was a lifetime member of The Actors Studio.
Filmography
Shadow of the Blair Witch (2000) — Kathy PattersonChicago Hope (1994) — Mother Mary CatherineIndecent Proposal (1993) — David's MotherAppearances (1990) — RoseShe Said No (1990) — Susan FinnAmerican Harvest (1987) — Mary Alice DuncanMurder, She Wrote (1984) — Cassie Latham BurnsThe Adventures of Buckaroo Banzai Across the 8th Dimension (1984) — Senator CunninghamVictims for Victims: The Theresa Saldana Story (1984) — Jane BladowNightmares (1983) — Adele Cooney (segment "The Bishop of Battle")Skeezer (1982) — Barbara ThompsonCoward of the County (1981) — Emma SpencerOrdinary People (1980) — AudreyHart to Hart (1979) — Anita BoyerThe Incredible Hulk (1977) — Kay WallaceLou Grant (1977) — Louise LarsenThe Fitzpatricks (1977) — Maggie FitzpatrickRaid on Entebbe (1976) — Gabrielle KriegerThe Execution of Private Slovik (1974) — Antoinette SlovikThe Gun (1974) — Beryl StraussAfter the Fall (1974) — LouiseKojak (1973) — Diane GordonThe Waltons (1972) — Miss Rosemary Hunter · Mrs. Rosemary FordwickLet's Scare Jessica to Death (1971) — Emily