Tina Majorino is an American actress. Her Hollywood career started in the early 1990s. She made her debut as Sophie Wilder in the television series Camp Wilder. She later made her film debut in When a Man Loves a Woman. This was followed by performances in the movies Corrina, Corrina, Andre, and Waterworld. In the 2000s, she became known for her role as Cindy “Mac” Mackenzie in Veronica Mars. She also played Heather Tuttle in the HBO series Big Love. At the same time, she had roles in the movies Napoleon Dynamite, Think Tank, and What We Do Is Secret. In the 2010s, she starred in the short-lived series The Deep End, played Molly in True Blood, Dr. Heather Brooks in Grey’s Anatomy, and joined the main cast of the show Legends as Maggie Harris. Her most recent role is as Florence in Scorpion.