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Mariclare Costello
Costello in 1977
Costello in 1977
Born (1936-02-03)February 3, 1936
Died April 17, 2026(2026-04-17) (aged 90)
Occupation Actress
Years active 1967–2002
Spouse(s)
(m. 1977; died 2013)
Children 1

Mariclare Catherine Costello was an American actress who brought many characters to life on screen. She was also a dedicated member of The Actors Studio, a special place where actors learn and grow. Many people remember her best as Rosemary Hunter Fordwick in the popular TV show The Waltons, which she starred in from 1972 to 1977. After The Waltons, she took on the role of Maggie Fitzpatrick in the TV drama The Fitzpatricks in 1977.

Mariclare Costello's Life and Career

Mariclare Costello was born in Peoria, Illinois, on February 3, 1936. She was married to fellow actor Allan Arbus, and they had one child together.

She appeared in the 1971 film Let's Scare Jessica to Death.

Later in her life, Mariclare shared her acting knowledge by becoming a professor at Loyola Marymount University in Los Angeles.

Mariclare Costello passed away in Brooklyn, New York, on April 17, 2026, when she was 90 years old.

Movies and TV Shows

Mariclare Costello had a long career, appearing in many movies and television series. Here are some of her notable roles:

Year Title Role Notes
1967 The Tiger Makes Out Rosi
1969 N.Y.P.D. Eloise Hendrix Episode: "The Attacker"
1970 Pound Honky Killer's Wife
1970 Storefront Lawyers Nancy Collins Episode: "Murph Collins vs. Tomorrow"
1971 Let's Scare Jessica to Death Emily/Abigail
1972 Ironside Mary Ellen Wells Episode: "The Savage Sentry"
1972–77 The Waltons Rosemary Hunter/Fordwick Appeared in 15 episodes
1974 Kojak Diane Gordon Episode: "Death Is Not a Passing Grade"
1974 After the Fall Louise A TV movie based on a play
1974 The Execution of Private Slovik Private Slovik's wife Antoinette An NBC TV movie
1974 The Gun Beryl Strauss An ABC Movie of the Week
1975 Barnaby Jones Ruth Granger Episode: "The Deadlier Species"
1975 Harry O Emily Weston Episode: "For the Love of Money"
1977 This Is the Life Ann Episode: "Stranger at the Door"
1977 Raid on Entebbe Gabrielle Krieger
1977–78 The Fitzpatricks Maggie Fitzpatrick Regular cast member in 13 episodes
1979 The Incredible Hulk Kay Wallace Episode: "No Escape"
1979–81 Lou Grant Maxine Kintner/Louise Larsen Appeared in 2 episodes
1980 Ordinary People Audrey Butler
1980 Little House on the Prairie (TV series) Helen Crane
1981 Ragtime Emma Goldman (Only in a special workprint version)
1981 Coward of the County Emma Television Movie
1982 Hart to Hart Anita Boyer Episode: "Deep in the Hart of Dixieland"
1982 Fame Mrs. Mendenhall Episode: "Secrets"
1983 Nightmares Adele Cooney (Part of the "The Bishop of Battle" segment)
1984 The Adventures of Buckaroo Banzai Across the 8th Dimension Senator Cunningham
1984 Victims for Victims: The Theresa Saldana Story Jane Bladow An NBC TV movie
1985 Heart of a Champion: The Ray Mancini Story Ellen Mancini A CBS TV movie
1986 Murder, She Wrote Cassie Latham Burns Episode: "Powder Keg"
1990 In the Heat of the Night Darlene Episode: "December Days"
1990 Santa Barbara Sister Lillian Appeared in 2 episodes
1993 ... Proposal David's Mother
1997 High Tide Episode: "Ghost Story"
1998 Chicago Hope Mother Mary Catherine Episode: "Memento Mori"
1999 Judging Amy Dr. Singer Episode: "An Impartial Bias"
2002 Providence Helen Norris Episode: "Smoke and Mirrors"
2011 Assisted Loving (video short) Pearl

See also

Kids robot.svg In Spanish: Mariclare Costello para niños

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