Tributes from fans and colleagues "I'm so heartbroken to hear about the passing of Billy Miller," tweeted his former "General Hospital" co-star Kelly Monaco. "He was such a talented actor and a wonderful person. My thoughts are with his family and friends during this difficult time." "Billy Miller was a bright light in the world," tweeted his former "The Young and the Restless" co-star Melissa Ordway. "He was always there for others, and he had a smile that could light up a room. My heart goes out to his family and friends."