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Maria O'Brien

ActingBorn: August 14, 1950in Los Angeles, California, USADied: February 24, 2026

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

Howard

Dead on Arrival

For the People

Jack & Jill

Beyond Belief: Fact or Fiction

Good Luck

Suddenly Susan

In Sickness and in Health

In a Stranger's Hand

In the Best Interest of the Child

Your Mother Wears Combat Boots

Promised a Miracle

Matlock

Protocol

Murder, She Wrote

The Incredible Shrinking Woman

Magnum, P.I.

PSI Factor

The Choirboys

The Love Boat

CHiPs

Smile

Shell Game