Mariclare Costello Movies, TV Shows, and Filmography

Mariclare Costello

Mariclare Costello

Acting

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.

Filmography Movies

Acting

The Adventures of Buckaroo Banzai Across the 8th Dimension movie poster
MOVIE

The Adventures of Buckaroo Banzai Across the 8th Dimension

6.0(0.5K)
The Adventures of Buckaroo Banzai Across the 8th Dimension
Senator Cunningham
Let's Scare Jessica to Death movie poster
MOVIE

Let's Scare Jessica to Death

6.2(0.2K)
Let's Scare Jessica to Death
Emily
Territorial Men movie poster
MOVIE

Territorial Men

Not rated yet
Territorial Men
Julia Baker
Ordinary People movie poster
MOVIE

Ordinary People

7.4(0.7K)
Ordinary People
Audrey
The Execution of Private Slovik movie poster
MOVIE

The Execution of Private Slovik

7.4(0.0K)
The Execution of Private Slovik
Antoinette Slovik
The Boy Who Drank Too Much movie poster
MOVIE

The Boy Who Drank Too Much

4.7(0.0K)
The Boy Who Drank Too Much
Louise Carpenter
Coward of the County movie poster
MOVIE

Coward of the County

6.5(0.0K)
Coward of the County
Emma Spencer
Heart of a Champion: The Ray Mancini Story movie poster
MOVIE

Heart of a Champion: The Ray Mancini Story

6.0(0.0K)
Heart of a Champion: The Ray Mancini Story
Ellen Mancini
The Gun movie poster
MOVIE

The Gun

8.7(0.0K)
The Gun
Beryl Strauss
Appearances movie poster
MOVIE

Appearances

10.0(0.0K)
Appearances
Rose

Gallery

Mariclare Costello portrait