Maria O'Brien
Acting
Born: 1950-08-14 in 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.
Known For
Murder, She Wrote
Lt. Abbe Esposito
Magnum, P.I.
Club Manager Applicant
The Love Boat
Rita Almerez
CHiPs
Patti Poncherello
Matlock
Juanita Martinez
The Incredible Shrinking Woman
Neighbor
Protocol
Donna
Beyond Belief: Fact or Fiction
Paranormal Investigator (segment "The Chess Game")
Howard
Maria (archive footage)
Smile
Maria
Suddenly Susan
Maria
The Choirboys
Carrier 2's Wife
Dead on Arrival
Neighbor
Jack & Jill
Fortune Teller
Good Luck
Peggy
American Raspberry
Air Puerto Rico Stewardess
In a Stranger's Hand
Paula
Your Mother Wears Combat Boots
Carla
In the Best Interest of the Child
Carla
PSI Factor
Shell Game
Lola Ramirez
In Sickness and in Health
Nancy
