Mary Lynn Rajskub (; born June 22, 1971) is an American actress and comedian, best known for her leading role as Chloe O'Brian on the Fox action-thriller 24.

Career

Rajskub's most notable role is CTU Systems analyst Chloe O'Brian on 24, which she joined in 2003 at the start of the show's third season. Her character was a hit with viewers and critics and was one of the few cast members to return in the show's fourth season. After being a regular guest star for two seasons, Rajskub became a main cast member in the show's fifth season. She is now lead female, with top billing second only to Kiefer Sutherland. Rajskub and Sutherland appeared briefly as their 24 characters in a 2007 episode, "24 Minutes", of the FOX TV animated series The Simpsons. She also recently appeared in the film Julie & Julia as one of Julie Powell's close friends.

She was one of the original cast members of Mr. Show, and also had roles on The Larry Sanders Show, Home Movies, Veronica's Closet, the US version of The Sketch Show, NewsRadio, and 24.