Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Kat Stewart (born on November 30, 1972 in Bairnsdale, Victoria) is a Logie Award-winning Australian actress who has made numerous appearances in television series, movies and on-stage. Stewart is best known for her role as Roberta Williams (wife of the late Melbourne gangland figure Carl Williams) in the first series of the Channel 9 TV production Underbelly and as Billie Proudman, alongside Asher Keddie, John Waters and Deborah Mailman in the popular comedy/drama, Offspring on the Ten Network. In 2009 11 Stewart appeared in the critically acclaimed relationship drama, Tangle on Showcase. In the series Kat plays the loveable but flawed, Nat Manning and appeared as part of a fine ensemble cast including Justine Clark, Ben Mendelsohn, Matt Day and Catherine McClements. Showing she is adroit at both drama and comedy, in 2009 and 2010 Stewart appeared in theAndrew Denton produced, advertising industry satire :30 Seconds on the Comedy Channel.