Mariclare Costello

Mariclare Costello

Acting

Born February 6, 1936 · Peoria, Illinois, USA

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 Fordw…

Known for

Murder, She Wrote

Murder, She Wrote

1984

The Waltons

The Waltons

1972

The Waltons

The Waltons

1972

The Waltons

The Waltons

1972

Chicago Hope

Chicago Hope

1994

Lou Grant

Lou Grant

1977

Kojak

Kojak

1973

Hart to Hart

Hart to Hart

1979

Acting(32)

2000Shadow of the Blair WitchKathy Patterson

1994Chicago HopeMother Mary Catherine

1993Indecent ProposalDavid's Mother

1990She Said NoSusan Finn

1990AppearancesRose

1987American HarvestMary Alice Duncan

1985Heart of a Champion: The Ray Mancini StoryEllen Mancini

1984Victims for Victims: The Theresa Saldana StoryJane Bladow

1984Murder, She WroteCassie Latham Burns

1984The Adventures of Buckaroo Banzai Across the 8th DimensionSenator Cunningham

1983NightmaresAdele Cooney (segment "The Bishop of Battle")

1982SkeezerBarbara Thompson

1981Coward of the CountyEmma Spencer

1980Ordinary PeopleAudrey

1980All God's ChildrenWinnie Naponic

1980The Boy Who Drank Too MuchLouise Carpenter

1979Hart to HartAnita Boyer

1977The Incredible HulkKay Wallace

1977Lou GrantLouise Larsen

1977The FitzpatricksMaggie Fitzpatrick

1977A Sensitive, Passionate ManPat Morris

1976Raid on EntebbeGabrielle Krieger

1976Territorial MenJulia Baker

1975Conspiracy of TerrorMrs. Warnall

1974After the FallLouise

1974The GunBeryl Strauss

1974The Execution of Private SlovikAntoinette Slovik

1973KojakDiane Gordon

1972Going Where I've Never Been: The Photography of Diane ArbusHerself - Narrator

1972The WaltonsMrs. Rosemary Fordwick

1971Let's Scare Jessica to DeathEmily

1970PoundHonky Killer's Wife

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