Mariclare Costello

Birthday: 1936-02-06
Deathday: 2026-04-17
Birthplace: Peoria, Illinois, USA
Gender: Female
Owned By: Unowned

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.

Credits

	Year	Title	Character
	2000-10-22	Shadow of the Blair Witch	Kathy Patterson
	1993-04-07	Indecent Proposal	David's Mother
	1990-09-23	She Said No	Susan Finn
	1990-06-17	Appearances	Rose
	1987-01-16	American Harvest	Mary Alice Duncan
	1985-05-01	Heart of a Champion: The Ray Mancini Story	Ellen Mancini
	1984-11-12	Victims for Victims: The Theresa Saldana Story	Jane Bladow
	1984-08-10	The Adventures of Buckaroo Banzai Across the 8th Dimension	Senator Cunningham
	1983-09-02	Nightmares	Adele Cooney (segment "The Bishop of Battle")
	1982-12-27	Skeezer	Barbara Thompson
	1981-10-07	Coward of the County	Emma Spencer
	1980-09-19	Ordinary People	Audrey
	1980-04-28	All God's Children	Winnie Naponic
	1980-02-06	The Boy Who Drank Too Much	Louise Carpenter
	1977-06-06	A Sensitive, Passionate Man	Pat Morris
	1976-12-26	Raid on Entebbe	Gabrielle Krieger
	1976-07-30	Territorial Men	Julia Baker
	1975-04-10	Conspiracy of Terror	Mrs. Warnall
	1974-12-10	After the Fall	Louise
	1974-11-13	The Gun	Beryl Strauss
	1974-03-13	The Execution of Private Slovik	Antoinette Slovik
	1971-08-27	Let's Scare Jessica to Death	Emily
	1970-08-08	Pound	Honky Killer's Wife