Nicola Peltz. Nicola Anne Peltz (born January 9, 1995) is an American actress. Her breakthrough role came when she played Katara in the 2010 film The Last Airbender. Since then, she has played Bradley Martin in the A&E series Bates Motel (2013–2015) and starred as Tessa Yeager in the fourth Transformers film, Transformers: Age of Extinction (2014).