Actor

Mariah O'Brien

11 credited titles on WatchWise

Mariah O'Brien was born on 25 June 1971 in Dellroy, Ohio, USA. She is an actress, known for Halloween: The Curse of Michael Myers (1995), Being John Malkovich (1999) and The Mod Squad (1999). She was previously married to Giovanni Ribisi.

Mariah O'Brien in one minute

Strongest genre

Thriller

$2.7M · 67% hit rate

Biggest hit

Halloween: The Curse of Michael Myers

$15M

Standout efficiency

3.3x

Nowhere Man · gross ÷ budget

Commercial performance

Associated lifetime gross

$4.9M

Combined reported budget

$9.6M

Gross / budget

0.5x

Bankability Index

7 / 100

All figures are associated, not attributed — box-office numbers are sourced from TMDB and Wikipedia (reused under CC BY-SA), shown in US$, and weighted by billing prominence. Coverage varies by title; figures are estimates, not audited trade data.