Rainier Joseph Diaz Castillo, better known simply as Rainier Castillo (born October 21, 1985), is a Filipino actor, singer, model, and dancer. His father lives in Winnipeg, Manitoba, Canada. He is known for his "killer smile" and one-trick pony of identified with his F4 hairstyle of Jerry Yan. He made it as one of the Final Four in the first season of StarStruck, though he... Wikipedia