Maria O'Brien
Acting · 75 years old
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.
Known For
Murder, She Wrote
Lt. Abbe Esposito
Magnum, P.I.
Club Manager Applicant
Beyond Belief: Fact or Fiction
Paranormal Investigator (segment "The Chess Game")
Matlock
Juanita Martinez
CHiPs
Patti Poncherello
Howard
Maria (archive footage)
The Love Boat
Rita Almerez
Smile
Maria
Suddenly Susan
Maria
Your Mother Wears Combat Boots
Carla
Protocol
Donna
The Incredible Shrinking Woman
Neighbor
The Choirboys
Carrier 2's Wife
In a Stranger's Hand
Paula
Good Luck
Peggy
Dead on Arrival
Neighbor
PSI Factor
Shell Game
Lola Ramirez
Promised a Miracle
In the Best Interest of the Child
Carla