Liang Zheng Jia (English name: Kelvin Leung) is a Chinese actor born in Hong Kong and graduated from the 20th TVB Artist Training Course in 2006. He made his debut in his first TV series "Accident Strategy" which achieved a high rating of 35 points. He came under the spotlight again playing Jiang Biwu in the 2009 "Rosy Business". His popularity rose sharply when he played Huang Debin in the 2011 suspense drama "Heaven and Earth".