Kelly Hu is an American actress, and former fashion model, and beauty queen. She is a former Miss Teen USA. She starred as Dr. Rae Chang in the soap opera, Sunset Beach, and as Michelle Chan in the drama, Nash Bridges. She also starred in the film, X2: X-Men United (co-starring Brian Cox). She is also known as the voice of Stacy Hirano on Phineas and Ferb (also starring Dee Bradley Baker), and Karai in Nickelodeon's Teenage Mutant Ninja Turtles (starring Rob Paulsen and Seth Green).