Maria O'Brien
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.
Known For
21 titles
Magnum, P.I.
Murder, She Wrote
The Love Boat
Matlock
Beyond Belief: Fact or Fiction
CHiPs
Suddenly Susan
Howard
Protocol
The Incredible Shrinking Woman
The Choirboys
Smile
In a Stranger's Hand
In Sickness and in Health
Promised a Miracle
In the Best Interest of the Child
Shell Game
Dead on Arrival
Good Luck
PSI Factor
Your Mother Wears Combat Boots
