HomePeople Biography and filmographySit Kok-Sin Biography unavailable on TMDB. Movies (4)TV shows (0) Photos Movies (4) At This Crucial JunctureAt This Crucial Juncture1938 The Deadly RoseThe Deadly Rose1937 The Platinum Dragon (Part 2)The Platinum Dragon (Part 2)1937 · Director Baijin Long1933 · Musical, Scenario Writer TV shows (0) No credits available.