- Source of Wealth: Film, Television
- Age: 48
- Birth Place: Trenton, Michigan, U.S.
- Height: 5′ 6″ (1.69 m)
- Weight: 110 lbs (50 kg)
- Marital Status: Married (Matthew Rolph)
- Full Name: Mary Lynn Rajskub
- Nationality: United States
- Date of Birth: June 22, 1971
- Ethnicity: Czech, Irish
- Occupation: Actress, Comedienne, Singer
- Education: San Francisco Art Institute, Trenton High School, College for Creative Studies
- Children: 1 (Valentine Anthony Rolph)
Her portrayal of role in 24 is probably one of her most notable projects to date. She actually joined the show on its 3rd season and after 2 seasons of being a guest star, Mary Lynn Rajskub officially joined the series as one of the main casts.
Aside from 24, this American actress can also be seen in projects such as The Sketch Show, King of Queens, Mysterious Skin, Sweet Home Alabama, Legally Blonde 2, Man On Moon, Dude Where’s My Car, Punch-Drunk Love, Firewall, The Anniversary Party, and Little Miss Sunshine. Mary Lynn Has also appeared on the music videos for Sheryl Crow, Beck and Weezer.