TV Shows - Mariah O'Brien
Sorted by online popularity, based on the Engagement Score on October 05, 2025. Mariah O'Brien has appeared in 1 television series with data.
#145Buffy the Vampire Slayeras Nancy • 1 episode • #145 most popular showBuffy the Vampire Slayer is a cult-classic horror series that fuses drama, supernatural elements, and a touch of high school angst. Centered on Buffy Summers, a young woman endowed with superpowers to battle evil forces, the series boasts a unique blend of teenage life with the shadowy world of vampires and demons.
Movies - Mariah O'Brien
Sorted by online popularity. Mariah O'Brien has appeared in 3 movies with data.
#693Halloween: The Curse of Michael Myersas Beth • #693 most popular movieHalloween: The Curse of Michael Myers is a 1995 American slasher film featuring Michael Myers hunting down the infant son of his niece, Jamie Lloyd.
#1,087Being John Malkovichas Girl Creeped Out by Malkovich • #1,087 most popular movieBeing John Malkovich is a 1999 surrealist fantasy comedy drama film directed by Spike Jonze, marking the feature film debuts of Jonze and screenwriter Charlie Kaufman. Starring John Cusack, Cameron Diaz, Catherine Keener, and John Malkovich as a satirical version of himself, the film revolves around a puppeteer who discovers a portal into Malkovich's mind.
#6,572Lovely & Amazingas Kevin's TV Co-Star • #6,572 most popular movieLovely & Amazing is a 2001 American comedy-drama film that presents an intimate family portrait of four women navigating the complexities of their individual neuroses. As they struggle to keep up with life's demands, each woman seeks redemption in her own way, only to find their salvation to be fleeting and illusory.
Mariah O'Brien Biography
Mariah Waterfall O'Brien is an American interior designer, former actress, and model. She was born on June 25, 1971, in Dellroy, Ohio. O'Brien made her film debut in the drama Gas, Food, Lodging (1992) and later appeared in Halloween: The Curse of Michael Myers (1995). She also graced the cover of Alice in Chains' 1992 album Dirt. O'Brien's parents were hippie musicians, and she was raised in a creative environment. Growing up in Los Angeles, she appeared in local theaters and worked alongside her mother, actress Jackie O'Brien, in the film Together & Alone. O'Brien's filmography includes Being John Malkovich, Diamonds, Ticker, The Mod Squad, and Some Girl. On television, she has appeared in shows such as Buffy the Vampire Slayer, Charmed, The Nanny, Once and Again, and Courting Alex.
