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.

Filmography

View Murder, She Wrote
Murder, She Wrote

Murder, She Wrote

1984Series
7.5
View Magnum, P.I.
Magnum, P.I.

Magnum, P.I.

1980Series
7.3
View The Love Boat
The Love Boat

The Love Boat

1977Series
6.3
View Matlock
Matlock

Matlock

1986Series
7.1
View Beyond Belief: Fact or Fiction
Beyond Belief: Fact or Fiction

Beyond Belief: Fact or Fiction

1997Series
7.2
View CHiPs
CHiPs

CHiPs

1977Series
6.8
View Suddenly Susan
Suddenly Susan

Suddenly Susan

1996Series
5.8
View For the People
No Image

For the People

2002Series0
View Howard
Howard

Howard

2018Film
6.8
View Protocol
Protocol

Protocol

1984Film
5.5
View The Choirboys
The Choirboys

The Choirboys

1977Film
5.4
View The Incredible Shrinking Woman
The Incredible Shrinking Woman

The Incredible Shrinking Woman

1981Film
5.4