Mariclare Costello
Known for Acting · 32 credits
- Born
- 1936-02-06
- Died
- 2026-04-17
- Place of birth
- Peoria, Illinois, USA
- Also known as
- Mariclare Catherine Costello
Biography
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.
Known For
TV Shows (8)
Murder, She Wrote
1984
as Cassie Latham Burns
Chicago Hope
1994
as Mother Mary Catherine
The Waltons
1972
as Mrs. Rosemary Fordwick / Miss Rosemary Hunter / Mrs. Rosemary Fordwick (archive footage)
The Incredible Hulk
1977
as Kay Wallace
Hart to Hart
1979
as Anita Boyer
Lou Grant
1977
as Louise Larsen
Kojak
1973
as Diane Gordon
The Fitzpatricks
1977
as Maggie Fitzpatrick
Movies (24)
Indecent Proposal
1993
as David's Mother
The Adventures of Buckaroo Banzai Across the 8th Dimension
1984
as Senator Cunningham
Ordinary People
1980
as Audrey
Raid on Entebbe
1976
as Gabrielle Krieger
Skeezer
1982
as Barbara Thompson
Let's Scare Jessica to Death
1971
as Emily
Nightmares
1983
as Adele Cooney (segment "The Bishop of Battle")
Heart of a Champion: The Ray Mancini Story
1985
as Ellen Mancini
The Execution of Private Slovik
1974
as Antoinette Slovik
Coward of the County
1981
as Emma Spencer
Appearances
1990
as Rose
American Harvest
1987
as Mary Alice Duncan
Shadow of the Blair Witch
2000
as Kathy Patterson
The Boy Who Drank Too Much
1980
as Louise Carpenter
All God's Children
1980
as Winnie Naponic
Pound
1970
as Honky Killer's Wife
Victims for Victims: The Theresa Saldana Story
1984
as Jane Bladow
Territorial Men
1976
as Julia Baker
A Sensitive, Passionate Man
1977
as Pat Morris
She Said No
1990
as Susan Finn
Conspiracy of Terror
1975
as Mrs. Warnall
The Gun
1974
as Beryl Strauss
After the Fall
1974
as Louise
Going Where I've Never Been: The Photography of Diane Arbus
1972
as Herself - Narrator
About Mariclare Costello
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. With 32 credits spanning from 1970 to 2000, Mariclare Costello has appeared in 24 films and 8 TV shows.
Fans searching for Mariclare Costello movies, Mariclare Costello filmography, or the latest projects starring Mariclare Costello can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Mariclare Costello Movies
- Indecent Proposal (1993) — as David's Mother
- The Adventures of Buckaroo Banzai Across the 8th Dimension (1984) — as Senator Cunningham
- Ordinary People (1980) — as Audrey
- Raid on Entebbe (1976) — as Gabrielle Krieger
- Skeezer (1982) — as Barbara Thompson
Where to Watch Mariclare Costello Films
Most Mariclare Costello movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Mariclare Costello, check our movies catalogue and browse page.