Mariclare Costello

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,…

Filmography

Murder, She Wrote
Murder, She Wrote
1984 · TV
as Cassie Latham Burns
The Waltons
The Waltons
1972 · TV
as Mrs. Rosemary Fordwick
The Waltons
The Waltons
1972 · TV
as Miss Rosemary Hunter
The Waltons
The Waltons
1972 · TV
as Mrs. Rosemary Fordwick (archive footage)
Chicago Hope
Chicago Hope
1994 · TV
as Mother Mary Catherine
Lou Grant
Lou Grant
1977 · TV
as Louise Larsen
The Incredible Hulk
The Incredible Hulk
1977 · TV
as Kay Wallace
Hart to Hart
Hart to Hart
1979 · TV
as Anita Boyer
Kojak
Kojak
1973 · TV
as Diane Gordon
Indecent Proposal
Indecent Proposal
1993 · Movie
as David's Mother
The Adventures of Buckaroo Banzai Across the 8th Dimension
The Adventures of Buckaroo Banzai Across the 8th Dimension
1984 · Movie
as Senator Cunningham
The Fitzpatricks
The Fitzpatricks
1977 · TV
as Maggie Fitzpatrick
Ordinary People
Ordinary People
1980 · Movie
as Audrey
Raid on Entebbe
Raid on Entebbe
1976 · Movie
as Gabrielle Krieger
Nightmares
Nightmares
1983 · Movie
as Adele Cooney (segment "The Bishop of Battle")
The Execution of Private Slovik
The Execution of Private Slovik
1974 · Movie
as Antoinette Slovik
Let's Scare Jessica to Death
Let's Scare Jessica to Death
1971 · Movie
as Emily
American Harvest
American Harvest
1987 · Movie
as Mary Alice Duncan
She Said No
She Said No
1990 · Movie
as Susan Finn
After the Fall
After the Fall
1974 · Movie
as Louise
Heart of a Champion: The Ray Mancini Story
Heart of a Champion: The Ray Mancini Story
1985 · Movie
as Ellen Mancini
The Gun
The Gun
1974 · Movie
as Beryl Strauss
Coward of the County
Coward of the County
1981 · Movie
as Emma Spencer
Pound
Pound
1970 · Movie
as Honky Killer's Wife