Alex Borstein. Actress: Family Guy. Alex Borstein is a Chicago-born American actress, known for her work on the animated sitcom Family Guy (1999), Stewie Griffin: The Untold Story (2005), Bad Santa (2003), and The Marvelous Mrs. Maisel (2017). Borstein became a MADtv cast member in 1997, during the sketch comedy show's third season. The following year, Seth MacFarlane cast her as the voice of Lois Griffin in Family Guy, which...