Maria O'Brien
Acting
Born 1950-08-14 · Los Angeles, California, USA · Died 2026-02-24
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.
Acting

Howard
Maria (archive footage)

Dead on Arrival
Neighbor
For the People
Judge

Beyond Belief: Fact or Fiction
Paranormal Investigator (segment "The Chess Game")

Good Luck
Peggy

Suddenly Susan
Maria

In Sickness and in Health
Nancy

In a Stranger's Hand
Paula

In the Best Interest of the Child
Carla

Your Mother Wears Combat Boots
Carla

Promised a Miracle

Matlock
Juanita Martinez

Protocol
Donna

Murder, She Wrote
Lt. Abbe Esposito

The Incredible Shrinking Woman
Neighbor

Magnum, P.I.
Club Manager Applicant

PSI Factor

The Choirboys
Carrier 2's Wife

The Love Boat
Rita Almerez

CHiPs
Patti Poncherello

Smile
Maria

Shell Game
Lola Ramirez