Maria O'Brien
Acting
Maria O'Brien (August 14, 1950 โ 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.
TV Shows(8)
For the People
Judge
2002

Beyond Belief: Fact or Fiction
Paranormal Investigator (segment "The Chess Game")
1997

Suddenly Susan
Maria
1996

Matlock
Juanita Martinez
1986

Murder, She Wrote
Lt. Abbe Esposito
1984

Magnum, P.I.
Club Manager Applicant
1980

The Love Boat
Rita Almerez
1977

CHiPs
Patti Poncherello
1977
Movies(14)

Howard
Maria (archive footage)
2018

Dead on Arrival
Neighbor
2018

Good Luck
Peggy
1997

In Sickness and in Health
Nancy
1992

In a Stranger's Hand
Paula
1991

In the Best Interest of the Child
Carla
1990

Your Mother Wears Combat Boots
Carla
1989

Promised a Miracle
1988

Protocol
Donna
1984

The Incredible Shrinking Woman
Neighbor
1981

PSI Factor
1980

The Choirboys
Carrier 2's Wife
1977

Smile
Maria
1975

Shell Game
Lola Ramirez
1975