Mariclare Costello
Known for exceptional acting in global cinema.
Profession
Acting
Birthday
6 Feb 1936
Age
90 Years
Born In
Peoria, Illinois, USA
Total Projects
34
Years Active
30 Yrs
Avg Rating
7.0 ★
Overview
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...
Known For
Filmography
movie
Shadow of the Blair Witch
Shadow of the Blair Witch
as Kathy Patterson
tv
Chicago Hope
Chicago Hope
as Mother Mary Catherine
movie
Indecent Proposal
Indecent Proposal
as David's Mother
movie
She Said No
She Said No
as Susan Finn
movie
Appearances
Appearances
as Rose
movie
American Harvest
American Harvest
as Mary Alice Duncan
movie
Heart of a Champion: The Ray Mancini Story
Heart of a Champion: The Ray Mancini Story
as Ellen Mancini
movie
Victims for Victims: The Theresa Saldana Story
Victims for Victims: The Theresa Saldana Story
as Jane Bladow
tv
Murder, She Wrote
Murder, She Wrote
as Cassie Latham Burns
movie
The Adventures of Buckaroo Banzai Across the 8th Dimension
The Adventures of Buckaroo Banzai Across the 8th Dimension
as Senator Cunningham
movie
Nightmares
Nightmares
as Adele Cooney (segment "The Bishop of Battle")
movie
Skeezer
Skeezer
as Barbara Thompson
movie
Coward of the County
Coward of the County
as Emma Spencer
movie
Ordinary People
Ordinary People
as Audrey
movie
All God's Children
All God's Children
as Winnie Naponic
movie
The Boy Who Drank Too Much
The Boy Who Drank Too Much
as Louise Carpenter
tv
Hart to Hart
Hart to Hart
as Anita Boyer
tv
The Incredible Hulk
The Incredible Hulk
as Kay Wallace
tv
Lou Grant
Lou Grant
as Louise Larsen
tv
The Fitzpatricks
The Fitzpatricks
as Maggie Fitzpatrick
movie
A Sensitive, Passionate Man
A Sensitive, Passionate Man
as Pat Morris
movie
Raid on Entebbe
Raid on Entebbe
as Gabrielle Krieger
movie
Territorial Men
Territorial Men
as Julia Baker
movie
Conspiracy of Terror
Conspiracy of Terror
as Mrs. Warnall
movie
After the Fall
After the Fall
as Louise
movie
The Gun
The Gun
as Beryl Strauss
movie
The Execution of Private Slovik
The Execution of Private Slovik
as Antoinette Slovik
tv
Kojak
Kojak
as Diane Gordon
movie
Going Where I've Never Been: The Photography of Diane Arbus
Going Where I've Never Been: The Photography of Diane Arbus
as Herself - Narrator
tv
The Waltons
The Waltons
as Mrs. Rosemary Fordwick
tv
The Waltons
The Waltons
as Miss Rosemary Hunter
tv
The Waltons
The Waltons
as Mrs. Rosemary Fordwick (archive footage)
movie
Let's Scare Jessica to Death
Let's Scare Jessica to Death
as Emily
movie
Pound
Pound
as Honky Killer's Wife