TV Series: TVB "Young Four Great Detectives" Mandarin Version Cast: Felix Lam as无情 (Unfeeling), Ronald Ng as 冷血 (Cold Blood), Ben Marshall as 铁手 (Iron Hand), Kin Feng Chan as 追命 (Chase Life), Jojo Xu as Sang Zhiyan, Po Yan Lee as Lan Ruofei, Rachel Tang as Yanhong, and Feng Zhang as Red Mama. TVB "Young Four Great Detectors" 25 Episodes Grand Finale Episode Introduction...