
Acting
Feb 5, 1936
Peoria, Illinois, USA
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.
Feature Films (24)

Adventurer/surgeon/rock musician Buckaroo Banzai and his band of men, the Hong Kong Cavaliers, take on evil alien invaders from the 8th dimension.
The Adventures of Buckaroo Banzai Across the 8th Dimension

Newly released from a mental ward, Jessica hopes to return to life the way it was before her nervous breakdown. But when Jessica moves to a country house with her husband and a close friend, she finds a mysterious girl living in there. Jessica's terror and paranoia resurface as evil forces surround her.
Let's Scare Jessica to Death

The story of Sara Yarnell, a schoolteacher who moves from Philadelphia to the Western frontier to start a new life. She becomes the only teacher in a one-room schoolhouse in Independence, Colorado.
Territorial Men

Beth, Calvin, and their son Conrad are living in the aftermath of the death of the other son. Conrad is overcome by grief and misplaced guilt to the extent of a suicide attempt. He is in therapy. Beth had always preferred his brother and is having difficulty being supportive to Conrad. Calvin is trapped between the two trying to hold the family together.
Ordinary People

The story of Eddie Slovik, who was executed by the Army in 1945, the only American soldier to be executed for desertion since the Civil War.
The Execution of Private Slovik

A high school athlete is well on the road to becoming an alcoholic like his ex-hockey pro father until his teammate and best friend commits himself to saving him from his self-destructive habit.
The Boy Who Drank Too Much

A lifelong yellow-belly who made a deathbed promise to his father to be a pacifist seeks bloody revenge on the men who gang-raped his wife.
Coward of the County

The film details the life of Ray Mancini, a World Boxing Association world lightweight champion boxer from 1982 to 1984, Hollywood actor and a member of the International Boxing Hall of Fame.
Heart of a Champion: The Ray Mancini Story

The odyssey of an American handgun and the dramatic way it reshapes the lives of its various owners.
The Gun

A drama centering on the joys, conflicts, and crises on a middle-class family and on its ex-football star father's efforts to keep it on track and intact despite the death of a child and the strain between his wife and father.
Appearances

Before stalking was a well-known crime in North America, there was Theresa Saldana's story. A drifter from the U.K., Arthur Jackson, flies to the U.S. to seek Saldana out. His twisted mission: Jackson planned to murder Saldana, then request the death sentence for himself so he "could join her in paradise." The psychopathic Jackson confronts Saldana on the street in front of her home and stabs her violently several times. No one comes to Theresa's aid except water deliveryman Jeff Fenn, who overpowers Jackson and gets the knife away from him. Jackson is arrested & charged with attempted murder...and Theresa Saldana tells her story of terror and survival as herself in this TV movie.
Victims for Victims: The Theresa Saldana Story

A nurse-therapist uses her dog to reach emotionally disturbed children where she works.
Skeezer
Television & Series (10)

Chicago Hope is an American medical drama television series, created by David E. Kelley. It ran on CBS from September 18, 1994, to May 4, 2000. The series is set in a fictional private charity hospital in Chicago, Illinois.
Chicago Hope

The Fitzpatricks is an American drama series which ran on CBS during the 1977–78 season. The series aired from September 5th, 1977 to January 10th, 1978. This show lasted only thirteen episodes, and was cancelled in 1978.
The Fitzpatricks

The trials of a former television station manager turned newspaper city editor, and his journalist staff.
Lou Grant

A bald, lollipop sucking police detective with a fiery righteous attitude battles crime in New York City.
Kojak

Wealthy couple Jonathan and Jennifer Hart, a self-made millionaire and his journalist wife, moonlight as amateur detectives.
Hart to Hart

During an experiment gone bad, radiation turns a scientist into a raging green behemoth whenever he becomes agitated. Unable to control his transformations, David Banner searches for a cure as he crosses the country, fugitive-style, with a dogged tabloid reporter on his trail.


