Mariclare Costello

{{Short description|American actress}}

{{Infobox person

| name = Mariclare Costello

| image = Mariclare Costello 1977.JPG

| alt = Costello in 1977

| caption = Costello in 1977.

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| birth_place = Peoria, Illinois, U.S.

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| occupation = Actress

| yearsactive = 1967–2002

| spouse = {{marriage|Allan Arbus|1977|2013|end=d.}}

| children = 1

}}

Mariclare Costello is a retired American television, stage, and movie actress. She is a lifetime member of The Actors Studio.{{cite book|first=David |last=Garfield|title=A Player's Place: The Story of The Actors Studio|url=https://archive.org/details/playersplacestor00garf|url-access=registration|year=1980|publisher=MacMillan Publishing Co., Inc.|location=New York|isbn=0-02-542650-8|page=[https://archive.org/details/playersplacestor00garf/page/278 278]|chapter=Appendix: Life Members of The Actors Studio as of January 1980}} 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.

Costello portrayed a hippie-vampire in the 1971 cult horror film Let's Scare Jessica to Death.{{cite web|work=The New York Times|title=Let s Scare Jessica to Death (1971) Screen: Hippie Vampire: 'Let's Scare Jessica to Death' Arrives|first=Roger|last=Greenspun|date=August 28, 1971|url=https://movies.nytimes.com/movie/review?res=9C02E7DB163DEF34BC4051DFBE66838A669EDE}}