Maia Charlotte Mitchell (born 18 August 1993) is an Australian actress and singer. She is best known for her role as Brittany Flune in the children's television series Mortified for Nine Network Australia, and as Natasha Hamilton in the Seven Network's teen drama Trapped. For American audiences, she currently co-stars in the ABC Family drama, The Fosters as Callie Jacob. She also co-starred with Ross Lynch in the Disney Channel original film Teen Beach Movie as McKenzie.She provides the voice of Wendy Darling in the special "Jake and the Never Land Pirates: Battle for the Book" and "Captain Hook's Last Stand!".