Mary Lynn Rajskub is an American actress and comedian who is best known for portraying Chloe O’Brian in the action thriller series 24 and Gail the Snail in It’s Always Sunny in Philadelphia. Rajskub was a regular cast member on HBO’s Mr. Show with Bob and David, appeared in The Larry Sanders Show, Brooklyn Nine-Nine, and Veronica’s Closet, and such films as Dude, Where’s My Car?, Firewall, Sweet Home Alabama, Punch-Drunk Love, Mysterious Skin, Little Miss Sunshine, Sunshine Cleaning, Safety Not Guaranteed, and The Kings of Summer, among others.

Early life
Rajskub was raised in Trenton, Michigan, having moved there from Detroit. Along with two older sisters, she is the daughter of Betty and Tony Rajskub, a pharmacist’s assistant and a pipefitter respectively.

One of her childhood inspirations was the television series Moonlighting. Rajskub attended the Center for Creative Studies and later the San Francisco Art Institute. During the early nineties, she often performed at various open mics in San Francisco.

She later moved to Los Angeles working as a waitress in a Hard Rock Cafe.