Acting credits
32
Established
Large and steady acting portfolio.
Actor
Mariclare Costello
Acting
Career Snapshot
ExplainedThese indicators come from TMDB. They are relative signals, not review ratings.
TMDB popularity
0.3
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 24Series: 8
TMDB ID: 79736
IMDb ID: nm0182582
Known for: Acting
Born: February 6, 1936
Died: April 17, 2026
Age: 90
Place of birth: Peoria, Illinois, USA
Gender: Female
Adult content flag: No
Career span: 1970 - 2000
Years active: 31
Average TMDB rating: 6.7
Wikidata: Q1897074
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.
Movies
Movies
Movie credits linked with Mariclare Costello.
as Kathy Patterson
Shadow of the Blair Witch
2000 • Movie
as David's Mother
Indecent Proposal
1993 • Movie
as Susan Finn
She Said No
1990 • Movie
as Rose
Appearances
1990 • Movie
as Mary Alice Duncan
American Harvest
1987 • Movie
as Ellen Mancini
Heart of a Champion: The Ray Mancini Story
1985 • Movie
as Jane Bladow
Victims for Victims: The Theresa Saldana Story
1984 • Movie
as Senator Cunningham
The Adventures of Buckaroo Banzai Across the 8th Dimension
1984 • Movie
as Adele Cooney (segment "The Bishop of Battle")
Nightmares
1983 • Movie
as Barbara Thompson
Skeezer
1982 • Movie
as Emma Spencer
Coward of the County
1981 • Movie
as Audrey
Ordinary People
1980 • Movie
as Winnie Naponic
All God's Children
1980 • Movie
as Louise Carpenter
The Boy Who Drank Too Much
1980 • Movie
as Pat Morris
A Sensitive, Passionate Man
1977 • Movie
as Gabrielle Krieger
Raid on Entebbe
1976 • Movie
as Julia Baker
Territorial Men
1976 • Movie
as Mrs. Warnall
Conspiracy of Terror
1975 • Movie
as Louise
After the Fall
1974 • Movie
as Beryl Strauss
The Gun
1974 • Movie
as Antoinette Slovik
The Execution of Private Slovik
1974 • Movie
as Herself - Narrator
Going Where I've Never Been: The Photography of Diane Arbus
1972 • Movie
as Emily
Let's Scare Jessica to Death
1971 • Movie
as Honky Killer's Wife
Pound
1970 • Movie
Series
Series
Series credits linked with Mariclare Costello.
as Mother Mary Catherine • 1 eps
Chicago Hope
1994 • Series
as Cassie Latham Burns • 1 eps
Murder, She Wrote
1984 • Series
as Anita Boyer • 1 eps
Hart to Hart
1979 • Series
as Kay Wallace • 1 eps
The Incredible Hulk
1977 • Series
as Louise Larsen • 1 eps
Lou Grant
1977 • Series
as Maggie Fitzpatrick • 13 eps
The Fitzpatricks
1977 • Series
as Diane Gordon • 1 eps
Kojak
1973 • Series
as Mrs. Rosemary Fordwick • 4 eps
The Waltons
1972 • Series