Maria O'Brien

Acting • Born 1950-08-14 • Los Angeles, California, USA

Maria O'Brien (August 14, 1950 – February 24, 2026) was an American actress and acting coach. She was the daughter of actors Edmond O'Brien and Olga San Juan, and sister of voice actor Brendan O'Brien. She was best known as a character actress, but she also had a recurring role on a few television series, such as Ave 43 and The Life and Times of Eddie Roberts. She was also an acting coach on soap operas, such as Days of Our Lives, Sunset Beach, and Passions.

Filmography

Murder, She Wrote 7.5
Murder, She Wrote
1984 • Lt. Abbe Esposito
Magnum, P.I. 7.3
Magnum, P.I.
1980 • Club Manager Applicant
The Love Boat 6.3
The Love Boat
1977 • Rita Almerez
Matlock 7.2
Matlock
1986 • Juanita Martinez
CHiPs 6.9
CHiPs
1977 • Patti Poncherello
Beyond Belief: Fact or Fiction 7.2
Beyond Belief: Fact or Fiction
1997 • Paranormal Investigator (segment "The Chess Game")
Suddenly Susan 5.9
Suddenly Susan
1996 • Maria
No Image
10.0
For the People
2002 • Judge
Howard 6.8
Howard
2018 • Maria (archive footage)
Protocol 5.5
Protocol
1984 • Donna
The Incredible Shrinking Woman 5.4
The Incredible Shrinking Woman
1981 • Neighbor
In the Best Interest of the Child 2.7
In the Best Interest of the Child
1990 • Carla
Smile 5.9
Smile
1975 • Maria
The Choirboys 5.5
The Choirboys
1977 • Carrier 2's Wife
Dead on Arrival 4.4
Dead on Arrival
2018 • Neighbor
Your Mother Wears Combat Boots 6.0
Your Mother Wears Combat Boots
1989 • Carla
In Sickness and in Health 4.0
In Sickness and in Health
1992 • Nancy
Shell Game 4.5
Shell Game
1975 • Lola Ramirez
Promised a Miracle 5.3
Promised a Miracle
1988
In a Stranger's Hand 5.7
In a Stranger's Hand
1991 • Paula
Good Luck 4.9
Good Luck
1997 • Peggy
PSI Factor 4.4
PSI Factor
1980
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