Kristen Johnston’s celebrated acting career spans television, film, and theater. She won two Emmy Awards for her starring role on the hit NBC series “3rd Rock from the Sun”. Johnston currently stars on CBS’s Mom as ‘Tammy Diffendorf’, which is in its eighth season. Previously, she starred for four seasons on the TV Land series “The Exes”. She has also made memorable appearances on such acclaimed shows as “Getting On”, “Modern Family”, “Ugly Betty”, “ER”, and “Sex and The City”, to name a few. Johnston’s 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, LA, and Williamstown. Johnston also 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.