She is the daughter of Irish Americans Mary Bridget (née Moriarty), a former school teacher, and Edward Bradley Moynahan, a scientist and former administrator at the University of Massachusetts Amherst. Kathryn Bridget Moynahan was born April 28, 1971, in Binghamton, New York.
Since September 2010, she has starred as Erin Reagan in the CBS police drama Blue Bloods. Moynahan starred in the ABC television series Six Degrees, which premiered in September 2006, and was taken off the schedule after just eight episodes. She had supporting roles in Serendipity (2001) The Sum of All Fears (2002) The Recruit (2003) I, Robot (2004) Lord of War (2005) Grey Matters (2006) Prey (2007) Noise (2007) Ramona and Beezus (2010) John Wick (2014) The Journey Home (2014) and John Wick: Chapter 2 (2017). Moynahan made her feature-film debut in Coyote Ugly (2000).
She made her television debut in a guest appearance in the comedy series Sex and the City in 1999, where she later had a recurring role as Natasha. Moynahan appeared in department-store catalogs and magazines, and after doing television commercials, began taking acting lessons. She graduated from Longmeadow High School in Massachusetts in 1989 and began pursuing a career in modeling. Kathryn Bridget Moynahan (born April 28, 1971) is an American actress and former model.
