From 2004 to 2007 she starred as Cindy “Mac” Mackenzie in the series Veronica Mars. In 2010 she played Addy Fisher in the series The Deep End. From 2006 to 2011 Majorino starred as Heather Tuttle in the television series Big Love. She provided the voice of Deb for the Napoleon Dynamite animated series in 2012 and had a recurring role on the show Bones. Tina played Molly on True Blood in 2012 and starred as Dr. Heather Brooks on Grey’s Anatomy from 2012 to 2013. In 2014 she starred as Maggie in the TV series Legends. She reprised her role for the 2014 Veronica Mars film. She has been nominated for a Teen Choice Award and three Young Artist Awards.