Mariah O'Brien

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Mariah O'Brien
Born Mariah Waterfall O'Brien
(1971-06-25) June 25, 1971 (age 46)
Dellroy, Ohio, U.S.
Occupation Actress, model
Years active 1992–2006
Spouse(s) Giovanni Ribisi (m. 1997–2001)
Children 1

Mariah Waterfall O'Brien (born June 25, 1971)[1] is an American actress and model.[2] She made her film debut in the drama Gas, Food, Lodging (1992) and later appeared in the horror film Halloween: The Curse of Michael Myers (1995). O'Brien also appeared photographed on the cover of Alice in Chains's 1992 album Dirt.

Early life[edit]

O'Brien was born on June 25, 1971, and raised in the small town of Dellroy, Ohio. Her mother is actress Jackie O'Brien, with whom she appeared in the film Together & Alone.



O'Brien has appeared in films such as Gas, Food Lodging, Halloween: The Curse of Michael Myers, Being John Malkovich, Diamonds, Ticker, The Mod Squad, and Some Girl. Her television credits include Buffy the Vampire Slayer, Charmed,[3] The Nanny, Once and Again and Courting Alex.


O'Brien is featured on the cover of the Alice in Chains album Dirt.[4]

Personal life[edit]

O'Brien was married to actor Giovanni Ribisi from 1997 to 2001; they have a daughter together, Lucia Santina (born August 6, 1997).



Year Title Role Notes
1992 Gas, Food Lodging Ivy
1995 Halloween: The Curse of Michael Myers Beth
1996 Welcome Says the Angel Waitress
1996 Kiss & Tell Emma
1998 Lone Greasers Jezzabel Short film
1998 Together & Alone Buffy
1998 Some Girl Thrift Store Cashier
1999 The Mod Squad Tiffany
1999 Being John Malkovich Girl Creeped Out by Malkovich
1999 Diamonds Tiffany
2000 Pussykat
2001 Ordinary Madness Betty
2001 Puzzled Alexandra Norton
2001 Ticker Desperate Woman
2001 Lovely & Amazing Kevin's TV Co-Star
2004 Jam Rose Short film[5]


Year Title Role Notes
1995 Nowhere Man Nurse Episode: "Absolute Zero"
1996 The Nanny Young Jewish Woman Episode: "That's Midlife"
1998 Charmed Cynda Episode: "Thank You for Not Morphing"
1998 Buffy the Vampire Slayer Nancy Episode: "The Wish"
1999 G vs E Marci Welbi Episode: "Men Are from Mars, Women Are Evil"
2001–2002 Once and Again Brandi 2 episodes
2006 Courting Alex Leah Episode: "Big Client"


  1. ^ "Mariah Waterfall O'Brien". Moose Roots U.S. Census. Retrieved August 22, 2016. 
  2. ^ Parkyn, John (February 13, 2000). "Name Dropping". Sun Sentinel. Fort Lauderdale, Florida. Retrieved March 28, 2013. 
  3. ^ "Thank You for Not Morphing". Retrieved 5 April 2011. 
  4. ^ "The Girl Featured on the Alice in Chains Dirt Album Cover". Retrieved 29 June 2014. 
  5. ^ "Jam Cast Photos". Retrieved 5 August 2011. 

External links[edit]