Mary Lynn Rajskub. Actress: 24: Twenty Four. Mary Lynn Rajskub is an American actress, comedienne and singer who is best known as a co-star of Kiefer Sutherland on the popular television series 24: Twenty Four (2001). Born June 22, 1971, in Detroit, Michigan, Rajskub comes from a family of Irish, Czech, and Polish ancestry. In 1989 she graduated from Trenton High School before attending Detroit's College for Creative Studies with a...