How old was Mariclare Costello in…

Mariclare Costello

Bio: Mariclare Catherine Costello (February 3, 1936 – April 17, 2026) was an American actress. She was a lifetime member of The Actors Studio

Born: Thu, Feb 06 1936

Birthplace: Peoria, Illinois, USA

Death: Fri, Apr 17 2026

Mariclare Costello is 90 years old

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Acting Roles

Crew Roles

Movies (Acting Roles)

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Shadow of the Blair Witch

Mariclare Costello was 64 in Shadow of the Blair Witch as 'Kathy Patterson'.

Movie Released: Sun, Oct 22 2000

Indecent Proposal

Mariclare Costello was 57 in Indecent Proposal as 'David's Mother'.

Movie Released: Wed, Apr 07 1993

She Said No

Mariclare Costello was 54 in She Said No as 'Susan Finn'.

Movie Released: Sun, Sep 23 1990

Appearances

Mariclare Costello was 54 in Appearances as 'Rose'.

Movie Released: Sun, Jun 17 1990

American Harvest

Mariclare Costello was 50 in American Harvest as 'Mary Alice Duncan'.

Movie Released: Fri, Jan 16 1987

Heart of a Champion: The Ray Mancini Story

Mariclare Costello was 49 in Heart of a Champion: The Ray Mancini Story as 'Ellen Mancini'.

Movie Released: Wed, May 01 1985

Victims for Victims: The Theresa Saldana Story

Mariclare Costello was 48 in Victims for Victims: The Theresa Saldana Story as 'Jane Bladow'.

Movie Released: Mon, Nov 12 1984

The Adventures of Buckaroo Banzai Across the 8th Dimension

Mariclare Costello was 48 in The Adventures of Buckaroo Banzai Across the 8th Dimension as 'Senator Cunningham'.

Movie Released: Fri, Aug 10 1984

Nightmares

Mariclare Costello was 47 in Nightmares as 'Adele Cooney (segment "The Bishop of Battle")'.

Movie Released: Fri, Sep 02 1983

Skeezer

Mariclare Costello was 46 in Skeezer as 'Barbara Thompson'.

Movie Released: Mon, Dec 27 1982

Coward of the County

Mariclare Costello was 45 in Coward of the County as 'Emma Spencer'.

Movie Released: Wed, Oct 07 1981

Ordinary People

Mariclare Costello was 44 in Ordinary People as 'Audrey'.

Movie Released: Fri, Sep 19 1980

All God's Children

Mariclare Costello was 44 in All God's Children as 'Winnie Naponic'.

Movie Released: Mon, Apr 28 1980

The Boy Who Drank Too Much

Mariclare Costello was 44 in The Boy Who Drank Too Much as 'Louise Carpenter'.

Movie Released: Wed, Feb 06 1980

A Sensitive, Passionate Man

Mariclare Costello was 41 in A Sensitive, Passionate Man as 'Pat Morris'.

Movie Released: Mon, Jun 06 1977

Raid on Entebbe

Mariclare Costello was 40 in Raid on Entebbe as 'Gabrielle Krieger'.

Movie Released: Sun, Dec 26 1976

Territorial Men

Mariclare Costello was 40 in Territorial Men as 'Julia Baker'.

Movie Released: Fri, Jul 30 1976

Conspiracy of Terror

Mariclare Costello was 39 in Conspiracy of Terror as 'Mrs. Warnall'.

Movie Released: Thu, Apr 10 1975

After the Fall

Mariclare Costello was 38 in After the Fall as 'Louise'.

Movie Released: Tue, Dec 10 1974

The Gun

Mariclare Costello was 38 in The Gun as 'Beryl Strauss'.

Movie Released: Wed, Nov 13 1974

The Execution of Private Slovik

Mariclare Costello was 38 in The Execution of Private Slovik as 'Antoinette Slovik'.

Movie Released: Wed, Mar 13 1974

Going Where I've Never Been: The Photography of Diane Arbus

Mariclare Costello was 36 in Going Where I've Never Been: The Photography of Diane Arbus as 'Herself - Narrator'.

Movie Released: Tue, Nov 21 1972

Let's Scare Jessica to Death

Mariclare Costello was 35 in Let's Scare Jessica to Death as 'Emily'.

Movie Released: Fri, Aug 27 1971

Pound

Mariclare Costello was 34 in Pound as 'Honky Killer's Wife'.

Movie Released: Sat, Aug 08 1970

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Chicago Hope

Mariclare Costello was 58+ in Chicago Hope as 'Mother Mary Catherine'.

TV Show Released: First Air Date
Sun, Sep 18 1994

Murder, She Wrote

Mariclare Costello was 48+ in Murder, She Wrote as 'Cassie Latham Burns'.

TV Show Released: First Air Date
Sun, Sep 30 1984

Hart to Hart

Mariclare Costello was 43+ in Hart to Hart as 'Anita Boyer'.

TV Show Released: First Air Date
Sat, Sep 22 1979

The Incredible Hulk

Mariclare Costello was 41+ in The Incredible Hulk as 'Kay Wallace'.

TV Show Released: First Air Date
Fri, Nov 04 1977

Lou Grant

Mariclare Costello was 41+ in Lou Grant as 'Louise Larsen'.

TV Show Released: First Air Date
Tue, Sep 20 1977

The Fitzpatricks

Mariclare Costello was 41+ in The Fitzpatricks as 'Maggie Fitzpatrick'.

TV Show Released: First Air Date
Mon, Sep 05 1977

Kojak

Mariclare Costello was 37+ in Kojak as 'Diane Gordon'.

TV Show Released: First Air Date
Wed, Oct 24 1973

The Waltons

Mariclare Costello was 36+ in The Waltons as 'Mrs. Rosemary Fordwick, Miss Rosemary Hunter, Mrs. Rosemary Fordwick (archive footage)'.

TV Show Released: First Air Date
Thu, Sep 14 1972