Michaela Jill Murphy is an American voice, film, and stage actress. She is known as the voice of Toph Beifong in the animated Nickelodeon television series "Avatar: The Last Airbender". Michaela's voice has been featured in several animated movies, including Meet the Robinsons, Over the Hedge, The Ant Bully, Finding Nemo, The Emperor's New School, and Brother Bear 2.