Maria O'Brien
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
- Acting
- Born
- 1950-08-14 · Los Angeles, California, USA
- Died
- 2026-02-24
Known for
- Murder, She Wrote (1984) — Lt. Abbe Esposito
- Magnum, P.I. (1980) — Club Manager Applicant
- The Love Boat (1977) — Rita Almerez
- CHiPs (1977) — Patti Poncherello
- Matlock (1986) — Juanita Martinez
- The Incredible Shrinking Woman (1981) — Neighbor
- Protocol (1984) — Donna
- Beyond Belief: Fact or Fiction (1997) — Paranormal Investigator (segment "The Chess Game")
- Howard (2018) — Maria (archive footage)
- Smile (1975) — Maria
- Suddenly Susan (1996) — Maria
- The Choirboys (1977) — Carrier 2's Wife
- Dead on Arrival (2018) — Neighbor
- Jack & Jill (1999) — Fortune Teller
- Good Luck (1997) — Peggy
- American Raspberry (1977) — Air Puerto Rico Stewardess