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.
Acting
Movie
Indecent Proposal
as David's Mother
1993
Movie
Ordinary People
as Audrey
1980
TV
The Incredible Hulk
as Kay Wallace
1977
Movie
The Adventures of Buckaroo Banzai Across the 8th Dimension
as Senator Cunningham
1984
TV
Murder, She Wrote
as Cassie Latham Burns
1984
Movie
Let's Scare Jessica to Death
as Emily
1971
TV
Kojak
as Diane Gordon
1973
TV
Hart to Hart
as Anita Boyer
1979
TV
The Waltons
as Mrs. Rosemary Fordwick
1972
TV
The Waltons
as Miss Rosemary Hunter
1972
TV
The Waltons
as Mrs. Rosemary Fordwick (archive footage)
1972
Movie
Nightmares
as Adele Cooney (segment "The Bishop of Battle")
1983
TV
Chicago Hope
as Mother Mary Catherine
1994
Movie
Raid on Entebbe
as Gabrielle Krieger
1976
TV
Lou Grant
as Louise Larsen
1977
Movie
Shadow of the Blair Witch
as Kathy Patterson
2000
Movie
The Execution of Private Slovik
as Antoinette Slovik
1974
Movie
Coward of the County
as Emma Spencer
1981
Movie
Victims for Victims: The Theresa Saldana Story
as Jane Bladow
1984
Movie
Pound
as Honky Killer's Wife
1970
Movie
Heart of a Champion: The Ray Mancini Story
as Ellen Mancini
1985
Movie
The Boy Who Drank Too Much
as Louise Carpenter
1980
Movie
The Gun
as Beryl Strauss
1974
Movie
She Said No
as Susan Finn
1990