Bridget Moynahan is an American actress and former model. She was born on April 28, 1971, in New York, United States. She is best known for her roles as Dr. Susan Calvin in the film *I, Robot* and Erin Reagan in *Blue Bloods*. She began her career in 1999, making her television debut as a guest star playing the character Natasha Naginsky in HBO's hit romantic comedy series *Sex and the City*.
