Maria O'Brien

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.

Movies & TV Shows

1. Murder, She Wrote (1984) — Lt. Abbe Esposito
2. Magnum, P.I. (1980) — Club Manager Applicant
3. The Love Boat (1977) — Rita Almerez
4. CHiPs (1977) — Patti Poncherello
5. Matlock (1986) — Juanita Martinez
6. The Incredible Shrinking Woman (1981) — Neighbor
7. Protocol (1984) — Donna
8. Beyond Belief: Fact or Fiction (1997) — Paranormal Investigator (segment "The Chess Game")
9. Howard (2018) — Maria (archive footage)
10. Smile (1975) — Maria
11. The Choirboys (1977) — Carrier 2's Wife
12. Suddenly Susan (1996) — Maria
13. Dead on Arrival (2018) — Neighbor
14. Jack & Jill (1999) — Fortune Teller
15. Good Luck (1997) — Peggy
16. American Raspberry (1977) — Air Puerto Rico Stewardess
17. In a Stranger's Hand (1991) — Paula
18. Your Mother Wears Combat Boots (1989) — Carla
19. In the Best Interest of the Child (1990) — Carla
20. PSI Factor (1980)
21. Shell Game (1975) — Lola Ramirez
22. In Sickness and in Health (1992) — Nancy
23. Promised a Miracle (1988)
24. For the People (2002) — Judge