Derek Tsang Kwok-cheung
Derek Tsang Kwok-cheung (born 1979) is a Hong Kong director, screenwriter, and actor, the son of the actor Eric Tsang. He established himself with the co-directed coming-of-age feature Soulmate before establishing his own reputation with the Mandarin-language Better Days. His acclaimed films include Lover's Discourse (co-directed), Soulmate, and Better Days (which was nominated for the Academy Award for Best International Feature Film).