Actress Bridget Moynahan almost turned down the role of Erin Reagan in the CBS cop drama Blue Bloods because she was worried about the long hours interfering with her time spent with her son. However, co-star Donnie Wahlberg convinced her to join the cast, highlighting the show's New York setting. Moynahan had previously gone through a difficult time with a very public breakup with ex Tom Brady while being pregnant. Despite her initial concerns, Moynahan now considers the Blue Bloods cast her second family and is grateful for the opportunity.