Twin Dragons aka. Brother vs. Brother, Double Dragon, Duel of Dragons, When Dragons Collide (Chinese title: ) is a 1992 Hong Kong martial arts action film starring Jackie Chan, and directed by Ringo Lam and Tsui Hark. The film did not receive an international release until 1999. Made as a benefit film with the proceeds going to the Hong Kong Directors Guild, The Twin Dragons features many cameos by noted Hong Kong directors including John Woo, Wong Jing, Kirk Wong, Ringo Lam and Tsui Hark.