Mariclare Costello

Mariclare Costello is a retired American television, stage, and movie actress. She is a lifetime member of The Actors Studio.^[1] 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.

Mariclare Costello
Costello in 1977.
Born	Peoria, Illinois, U.S.
Occupation	Actress
Years active	1967–2002
Spouse	Allan Arbus ​ ​ (m. 1977; died 2013)​
Children	1

Costello portrayed a hippie-vampire in the 1971 cult horror film Let's Scare Jessica to Death.^[2]

Personal life

She was married to actor Allan Arbus until his death in 2013. The couple had one child.^[3]

After her acting career, she was an acting professor at Loyola Marymount University in Los Angeles.^[4]

Filmography

Year	Title	Role	Notes
1967	The Tiger Makes Out	Rosi
1970	Pound	Honky Killer's Wife
1971	Let's Scare Jessica to Death	Emily/Abigail
1974	The Execution of Private Slovik	Private Slovik's wife Antoinette
1977	Raid on Entebbe	Gabrielle Krieger
1980	Ordinary People	Audrey
1981	Ragtime	Emma Goldman	(workprint edit only)
1981	Coward of the County	Emma	Television Movie
1983	Nightmares	Adele Cooney	(segment "The Bishop of Battle")
1984	The Adventures of Buckaroo Banzai Across the 8th Dimension	Senator Cunningham
1993	Indecent Proposal	David's Mother
2011	Assisted Loving (video short)	Pearl