Mireille Enos (born 22 September 1975, height 5' 2" (1,57 m)) is an actress who grew up in Houston, Texas.

She was nominated for a Tony Award (Best Featured Actress in a Play) in 2005 for her performance in the Broadway production of Who's Afraid of Virginia Woolf. She also has numerous television appearances, notably playing Kathy and Jodeen Marquart, twin sisters, in HBO's Big Love.

Enos married actor Alan Ruck on January 4, 2008. Daughter Vesper Vivianne Ruck was born on September 23rd, 2010. On December 2, 2010 filming began on AMC's The Killing; Enos leads the cast as Detective Sarah Linden.