Movies (Acting Roles)
Sorted by Release DateShadow 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
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
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: Mon, Dec 29 1975
The Execution of Private Slovik
Mariclare Costello was 38 in The Execution of Private Slovik as 'Antoinette Slovik'.Movie Released: Wed, Mar 13 1974
After the Fall
Mariclare Costello was 37 in After the Fall as 'Louise'.Movie Released: Wed, Jan 02 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
TV Shows (Acting Roles)
Sorted by Release DateAges 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 TV Show Released: First Air Date
Sun, Sep 18 1994
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
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
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
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
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
Mon, Sep 05 1977
Kojak
Mariclare Costello was 37+ in Kojak as 'Diane Gordon'.TV Show Released: First Air Date
Wed, Oct 24 1973
Wed, Oct 24 1973
The Waltons
Mariclare Costello was 36+ in The Waltons as 'Mrs. Rosemary Fordwick, Miss Rosemary Hunter'.TV Show Released: First Air Date
Thu, Sep 14 1972
Thu, Sep 14 1972