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
Ordinary People (1980) — AudreyIndecent Proposal (1993) — David's MotherMurder, She Wrote (1984) — Cassie Latham BurnsThe Incredible Hulk (1977) — Kay WallaceThe Adventures of Buckaroo Banzai Across the 8th Dimension (1984) — Senator CunninghamKojak (1973) — Diane GordonThe Waltons (1972) — Miss Rosemary Hunter · Mrs. Rosemary FordwickHart to Hart (1979) — Anita BoyerLet's Scare Jessica to Death (1971) — EmilyChicago Hope (1994) — Mother Mary CatherineLou Grant (1977) — Louise LarsenNightmares (1983) — Adele Cooney (segment "The Bishop of Battle")Raid on Entebbe (1976) — Gabrielle KriegerThe Execution of Private Slovik (1974) — Antoinette SlovikAppearances (1990) — RoseSkeezer (1982) — Barbara ThompsonThe Gun (1974) — Beryl StraussAmerican Harvest (1987) — Mary Alice DuncanVictims for Victims: The Theresa Saldana Story (1984) — Jane BladowCoward of the County (1981) — Emma SpencerShe Said No (1990) — Susan FinnShadow of the Blair Witch (2000) — Kathy PattersonAfter the Fall (1974) — LouiseThe Fitzpatricks (1977) — Maggie Fitzpatrick