Biography

Kristen Johnston's celebrated acting career spans television, film and theater. She won two Emmy Awards, and was nominated for a Golden Globe and four Screen Actors Guild Awards for her starring role on the hit series "3rd Rock from the Sun." Additionally, she starred for four seasons on "The Exes," and made memorable guest appearances on such acclaimed shows as "Getting On," "Modern Family," "Ugly Betty," "ER" and "Sex and the City." Kristen Johnston plays Tammy on MOM.

Johnston is set to appear in the upcoming independent features "The Wedding Year," directed by Robert Luketic, and "Small Town Wisconsin," produced by Alexander Payne and directed by Neils Mueller. Her extensive film work includes "Austin Powers: The Spy Who Shagged Me," "Strangers with Candy," "Music and Lyrics," "Bride Wars," "L!fe Happens" and Vamps.

A longtime member of the Atlantic Theater Company, her esteemed theater career includes nearly 50 plays in New York City, London, Los Angeles and Williamstown. Also, Johnston taught acting at NYU's Atlantic Acting School for 12 years. Her New York Times bestselling memoir, Guts: The Endless Follies and Tiny Triumphs of a Giant Disaster, was released in 2013 to great critical acclaim. She is a passionate advocate for addiction treatment and recovery services.

Kristen grew up in Whitefish Bay, Wis., a suburb of Milwaukee, and currently lives in Los Angeles. Her birthday is Sept. 20. Follow her on Twitter @thekjohnston.