Maria O'Brien

Acting

  • Born
  • August 14, 1950
  • Died
  • February 24, 2026
  • Place of birth
  • Los Angeles, California, USA

Biography

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.

As actor 24

The Love Boat poster
The Love Boat
1977
Murder, She Wrote poster
Murder, She Wrote
1984
Magnum, P.I. poster
Magnum, P.I.
1980
Matlock poster
Matlock
1986
Beyond Belief: Fact or Fiction poster
Beyond Belief: Fact or Fiction
1997
Jack & Jill poster
Jack & Jill
1999
Suddenly Susan poster
Suddenly Susan
1996
CHiPs poster
CHiPs
1977
For the People
2002
Howard poster
Howard
2018
Smile poster
Smile
1975
The Incredible Shrinking Woman poster
The Incredible Shrinking Woman
1981
Dead on Arrival poster
Dead on Arrival
2018
The Choirboys poster
The Choirboys
1977
Protocol poster
Protocol
1984
In a Stranger's Hand poster
In a Stranger's Hand
1991
In the Best Interest of the Child poster
In the Best Interest of the Child
1990
Good Luck poster
Good Luck
1997
American Raspberry poster
American Raspberry
1977
In Sickness and in Health poster
In Sickness and in Health
1992
Shell Game poster
Shell Game
1975
Promised a Miracle poster
Promised a Miracle
1988
Your Mother Wears Combat Boots poster
Your Mother Wears Combat Boots
1989
PSI Factor poster
PSI Factor
1980