Mad Detective

王肇強 as Policeman (uncredited) 鄭保瑞 as Inspector Ho Ka-on (voice) Lu Ching-Ting as Ko's Inner Personality 趙志誠 as Ko's Inner Personality Singh Hartihan Bitto as Naresh Sharma 雷小明 as Mahjong Parlour's Staff (uncredited) 張兆輝 as Violent Man - Ko's Inner Personality 林雪 as Fatso - Ko's Inner Personality 劉錦玲 as Calculating Woman - Ko's Inner Personality 洪偉良 as Ko's Inner Personality 甄懋強 as Chi-Wai's Boss Jack Lai as Ko's Colleague 林家棟 as Ko Chi Wai 李焯寧 as Gigi Mark Cheung Yiu-Fai as Mahjong Parlour Customer (uncredited) 陳彼得 as Cameo (picture in police file) 安志傑 as Inspector Ho Ka-on 夏澤信 as Ko's Colleague 郭少芸 as May Cheung (voice) 李國麟 as Wong Kwok Chu 高雄 as The Chief 黃華和 as Restaurant Manager 劉青雲 as Inspector Chan Kwai Bun 林熙蕾 as May Cheung 李日昇 as Weak Boy - Ho's Inner Personality Yuen Ling-To as Policeman 陳慧珊 as May Cheung in Bun's Eyes 谷祖琳 as Schemy Woman - Ho's Inner Personality

鄭兆強 Director of Photography Xavier Jamaux Original Music Composer Mark Garbarino Makeup Artist 杜琪峰 Director, Producer 韋家輝 Director, Screenplay, Producer 向華強 Executive Producer 歐健兒 Screenplay 趙志誠 Unit Manager 鞠觉亮 Line Producer