The Grey's Anatomy cast and crew are mourning the loss of their costar Eric Dane following his death at age 53. The actor's family confirmed on Thursday, February 19, that Dane died following a battle with ALS. "He spent his final days surrounded by dear friends, his devoted wife and his two beautiful daughters, Billie and Georgia, who were the center of his world," the statement read. "Throughout his journey with ALS, Eric became a passionate advocate for awareness and research, determined to make a difference for others facing the same fight.