Mariclare Costello

Mariclare Costello

Actor

Peoria, Illinois, USA
February 6, 1936

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.

Photo

Mariclare Costello 1

Representative Works

Indecent Proposal
Indecent Proposal
6.4
/ English
Ordinary People
Ordinary People
7.4
/ English
The Adventures of Buckaroo Banzai Across the 8th Dimension
The Adventures of Buckaroo Banzai Across the 8th Dimension
6.0
/ English
Nightmares
Nightmares
5.7
/ English
Raid on Entebbe
Raid on Entebbe
6.0
/ English
American Harvest
American Harvest
9.0
/ English
Let's Scare Jessica to Death
Let's Scare Jessica to Death
6.2
/ English
Coward of the County
Coward of the County
6.5
/ English
She Said No
She Said No
7.7
/ English
The Execution of Private Slovik
The Execution of Private Slovik
7.4
/ English
Heart of a Champion: The Ray Mancini Story
Heart of a Champion: The Ray Mancini Story
6.0
/ English
Victims for Victims: The Theresa Saldana Story
Victims for Victims: The Theresa Saldana Story
7.5
/ English

Awards and Honors

Critical Favorites

Indecent Proposal
1993Nominee

Best Performance

Indecent Proposal

Ordinary People
1980Nominee

Best Performance

Ordinary People

The Adventures of Buckaroo Banzai Across the 8th Dimension
1984Nominee

Best Performance

The Adventures of Buckaroo Banzai Across the 8th Dimension

Career Highlights

Nightmares
1983Highlight

Best Performance

Nightmares

Raid on Entebbe
1976Highlight

Best Performance

Raid on Entebbe

Video