Dragon Blood Always Leaves a Trail. A sinful martial arts expert wants to start a new tranquil life, only to be hunted by a determined detective and his former master. Details Casts Videos Galleries Posters Title Dragon Release Date 2011-07-04 Runtime 01 Hours 55 Minutes Genres Drama Action Thriller Production Companies Dingsheng Cultural Industry Investment, JSBC Eudemonia Blue Ocean TV & Movie Group, We Pictures, Yunnan Film Group Production Countries Hong Kong, China Donnie Yen... Liu Jinxi / Tang Long... Takeshi Kaneshiro... Xu Baijiu... Tang Wei... Ayu... Jimmy Wang Yu... The Master... Kara Wai Ying-Hung... Shi San Liang... Yin Zhusheng... Xu Kun... Zheng Wei... Liu Fangzheng... Li Jia-Min... Liu Xiaotian... Yu Kang... Yan Dongsheng... Kenji Tanigaki... Xiao Ge Zi... Jiang Wu... Detective... Li Xiaoran... Xu's Wife... Wang Chunyuan... Magistrate... Zhou Bo... Constable... Fei Wang... Coroner... Ethan Juan... Young Convict... Dragon Official US Release Trailer #1 (2012) - Donnie Yen, Takeshi Kaneshiro Movie HD (Trailer) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (1280x720) Original Size (1920x1080) Original Size (1000x1500) Original Size (1000x1500) Original Size (595x854) Original Size (915x1372) Original Size (1000x1500) Original Size (1800x2700) Original Size (674x1000) Original Size (1012x1500) Original Size (1400x2100) Original Size (1200x1690) Original Size (600x857) Original Size (563x750) Original Size (1529x2161) Original Size (850x1175) Original Size (1800x2700) Original Size (1000x1500) Original Size (1000x1500) Original Size (1000x1500) Original Size (1200x1800)