Patrick Frater Asia Bureau ChiefBeing multi-talented is nothing unusual in Korean entertainment as Henry Lau can attest. The Canadian 30-year-old is one of K-pop’s biggest stars, and is now simultaneously breaking into the Korean, Chinese and English-language film and TV businesses.The top Korean talent agencies typically cast their recruiting nets very wide, and Lau was found by SM Entertainment at a 2006 audition in Toronto.