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Maria O'Brien
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.
Top Filmography

7.3
Magnum, P.I.
1980 // TV

7.5
Murder, She Wrote
1984 // TV

6.3
The Love Boat
1977 // TV

6.8
CHiPs
1977 // TV

7.1
Matlock
1986 // TV

5.4
The Incredible Shrinking Woman
1981 // MOVIE

5.5
Protocol
1984 // MOVIE

7.2
Beyond Belief: Fact or Fiction
1997 // TV

6.8
Howard
2018 // MOVIE

5.8
Smile
1975 // MOVIE

5.3
The Choirboys
1977 // MOVIE

5.8
Suddenly Susan
1996 // TV

4.4
Dead on Arrival
2018 // MOVIE

4.5
Good Luck
1997 // MOVIE

5.2
In a Stranger's Hand
1991 // MOVIE