Maria O'Brien
ActingAbout 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.
Maria O'Brien Movies & Career Overview
The filmography of Maria O'Brien reflects a career marked by diverse experimentation. Across 14 major appearances, the actor has built a reputation through performances in multiple genres and storytelling styles.
Dominant Genre
A large portion of Maria O'Brien's work falls within the Comedy genre, where audiences tend to respond most strongly to their on-screen presence.
Success Ratio
Approximately 7% of Maria O'Brien's films maintain ratings above 6.5, indicating a consistent level of audience approval.
One of the most highly rated entries in their career remains Howard, which stands out as a key performance.
Best Maria O'Brien Movies Ranked
Must-watch hits from Maria O'Brien's career based on audience ratings.
Full Filmography
Every movie Maria O'Brien has appeared in, with audience ratings and verdicts.
| Year | Movie | Character | Success | More |
|---|---|---|---|---|
| 2018 | Howard | Maria (archive footage) | Hit | Similar → |
| 2018 | Dead on Arrival | Neighbor | Flop | Similar → |
| 1997 | Good Luck | Peggy | Flop | Similar → |
| 1992 | In Sickness and in Health | Nancy | Flop | Similar → |
| 1991 | In a Stranger's Hand | Paula | Flop | Similar → |
| 1990 | In the Best Interest of the Child | Carla | Flop | Similar → |
| 1989 | Your Mother Wears Combat Boots | Carla | Average | Similar → |
| 1988 | Promised a Miracle | - | Flop | Similar → |
| 1984 | Protocol | Donna | Average | Similar → |
| 1981 | The Incredible Shrinking Woman | Neighbor | Flop | Similar → |
| 1980 | PSI Factor | - | Flop | Similar → |
| 1977 | The Choirboys | Carrier 2's Wife | Flop | Similar → |
| 1975 | Smile | Maria | Average | Similar → |
| 1975 | Shell Game | Lola Ramirez | Flop | Similar → |
Maria O'Brien - Frequently Asked Questions
What is the best movie of Maria O'Brien?
According to audience ratings, the best movie starring Maria O'Brien is "Howard" with a rating of 6.8/10.
How many movies has Maria O'Brien acted in?
Maria O'Brien has been featured in at least 14 major films throughout their career.
What are some other popular movies by Maria O'Brien?
Other notable films include "Smile", "Your Mother Wears Combat Boots", and "Protocol".




