Mariah O'Brien
- Compleanno:
- 06/25/1971
- Luogo di nascita:
- Dellroy, Ohio, USA:
 | Jam (2006) Rose |
 | Lovely & Amazing (2002) Kevin's TV Co-Star |
 | Ordinary Madness (2001) Betty |
 | Puzzled (2001) Alexandra Norton |
 | Diamonds (1999) Tiffany |
 | Being John Malkovich (1999) Girl Creeped Out by Malkovich |
 | Some Girl (1998) Thrift Store Cashier |
 | Together and Alone (1998) Buffy |
 | Kiss & Tell (1997) Emma the Sketch Artist |
 | Halloween: The Curse of Michael Myers (1995) Beth |
 | Gas Food Lodging (1992) Ivy |