Gia Mantegna is an American actress whose career started in the 2000s. She debuted in the 2003 film Uncle Nino. She next appeared in the film 13 Going On 30. Mantegna next had performances in the films Unaccompanied Minors and The Neighbor. During this period, she had a recurring role in Criminal Minds. Later, she appeared as Patty Mary in The Secret Life of the American Teenager. In the 2010s, she starred as Vanessa King in the short-lived TV series Gigantic. She went on to play recurring roles as Devin Levin in The Middle and Lily Walters in Under the Dome. Her recent works on the big screen were in the 2014 films California Scheming, Ask Me Anything, and The Prince.