Mariclare Costello

Known for

Acting

Born

Feb 6, 1936

Died

Apr 17, 2026

From

Peoria, Illinois, USA

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.

Images

Credits

Indecent Proposal

19936.4out of 10

Ordinary People

19807.4out of 10

The Adventures of Buckaroo Banzai Across the 8th Dimension

19846.0out of 10

The Incredible Hulk

19777.2out of 10

Murder, She Wrote

19847.5out of 10

Let's Scare Jessica to Death

19716.2out of 10

Kojak

19737.3out of 10

Hart to Hart

19796.9out of 10

The Waltons

19727.1out of 10

Nightmares

19835.8out of 10

Chicago Hope

19947.2out of 10

Raid on Entebbe

19766.0out of 10

Lou Grant

19777.4out of 10

Shadow of the Blair Witch

20005.7out of 10

The Execution of Private Slovik

19747.4out of 10

Coward of the County

19816.5out of 10

Victims for Victims: The Theresa Saldana Story

19846.7out of 10

Pound

19704.8out of 10