Jessica St. Clair (born September 21, 1977) is an American actress, writer, sketch comedienne and comedy improviser who often performs at the Upright Citizens Brigade Theatre in New York and Los Angeles, usually as a member of the improv group Mother. Jessica has been a regular on the show Best Week Ever, offering her comedic insights on the happenings of the world. St. Clair is a graduate of Middlebury College. She is married to playwright Dan O'Brien.