The Four
(Siu Nin Sei Dai Ming Bo \ The Four Great Constables)
The Complete Taiwanese Drama DVD Collection (1-24 End)
Taiwanese with English Subtitles
Format: DVD

Based on the novel by Wen Rui An, the drama is centered around four extremely skilled assassins/detectives who are hired by the Chinese Emperor to arrest and execute any criminals roaming through the country.

Cast
Four Constables
Raymond Lam as Sing Ngai Yue / Mou Ching 成崖餘 / 無情 (Heartless)
Kenneth Ma as Tit Yau Ha / Tit Sau 鐵游夏 / 鐵手 (Iron Fist)
Sammul Chan as Chui Leuk Seung / Jui Ming 崔略商 / 追命 (Chaser)
Ron Ng as Lang Ling Hay / Lang Huet 冷凌棄 / 冷血 (Cold Blood)
Tit Family
Law Lok Lam as Tit Fu 鐵斧 (Tit Sau's father)
Vivi Lee as Tit Yau Dung 鐵游冬 (Tit Sau's younger sister)
Chui Family
Suet Nei as Yeung Dai Ma 羊大媽 (Jui Ming's adoptive mother)
Chun Wong as Chu Yi Ba 朱二爸 (Jui Ming's adoptive father)
Sin Ho Ying as Ngau Sam Ba 牛三爸 (Jui Ming's adoptive father)
Lam Family
Gordon Liu as Lam Po Tin 藍破天
Selena Li as Lam Yeut Fei 藍若飛
Dia Yiu Ming as Sor Fok 傻福
Raymond Tsang as Dai Yung 大勇
Russell Cheung as a Disciple 藍天幫弟子
Ling Family
Joel Chan as Ling Siu Kwat 凌小骨
Felix Lok as Ling Lok Sek 凌落石
Cilla Kung as Ling Siu Do 凌小刀
Luk Chun Kwong as Hung Chiu 洪超
Ho Jun Hin as a disciple 凌落石手下與大聯盟弟子
Jacky Yeung as a disciple 凌落石手下與大聯盟弟子
Chan Yu Hei as a disciple 凌落石手下與大聯盟弟子
Royal Court
Henry Yue as Emperor Huizong 宋徽宗
Ram Tseung as Sue Mo Hei 舒無戲
Chan Wing Kei as Tong Gwai 童貫
Prince Quarters
Savio Tsang as Chiu Cheung 趙昌
Crystal Tin as Kuk Yin Hung 曲嫣紅
Devily Leung as Hiu Yi 巧兒
Natalie Choi as a maid
Choi Family
Lau Kong as Choi King 蔡京
Eric Li as Choi To 蔡絛 (ep15-18)
Lee Kai Kit as Choi King's followers 蔡京手下
Lai Ming Nok as Choi King's followers 蔡京手下
Medicine Quarters
Kate Tsui as Song Tze Yeen 桑芷妍
Ling Lai Man as 龍應淮
Kalo Chan as Medical female
Big 8 Group
Lee Hoi Sung as 洪飛虎
Pierre Ngo as Hung King 洪勁 (ep11-12)
Cheung Han Mo as 秦豹
Joseph Yeung as Gum Ho Hei 金可喜
Brian Wong as Kwan Dung Hoi 閻東海
Lau Sum Yi as Leung Man Tung 梁文通
Siu Cheuk Hiu as Bong Zhu 幫主
Ngai Wai Man as Bong Zhu 幫主
Constable Department
Dominic Lam as Chu Kot Ching Ngo 諸葛正我
Halina Tam as Lau Piu Seut 柳飘雪
Martin Tong as Gam Gim 金劍
Wu Kei Fung as Ngan Gim 銀劍
Chiu Man Tung as Diu Tao 豹頭
Hui Man Kiu as Yeung Gwai 祥貴
Wong Jen San as 捕快
Bai Gim Mountains Chiang Family Murder Case
Wong Wai Leung as Wai King To 韋驚濤 (ep1-3)
Bruce Li as Chan Dai Jung 陳大中
Wong Ching as Lo Bo 雷波
Chan Dik Hak as Jung Yi Master 淨一大師
Peter Lai as Kam Kau Ling 金九齡
Cheng Ka Sang as 賀鷹 (ep1)
Bond Chan as Ho Kam 賀全
Calligraphy and Painting Treasure Hunt Case
Ko Jun Man as Gok Chun Yeung 谷雲揚
Chiu Shek Man as 獄長
Koo Ming Wa as 副獄長
Ricky Wong as Dai Chek Biu 大隻彪 (cameo, ep4)
Lee Gong Lung as 韓彬
Cheuk Chi as Hon Fa 韓花
Tin Sek Murder Case
Lee Fung as Lang Yu Seung 冷如霜 (Lang Huet's aunt, ep7-8)
Kwok Tak Shun as Governer Fung 馮大人
Leung Kin Ping as Si Ma Master 司馬大人
Candy Chu as Chui Chui 翠翠 (ep6-8)
Lily Li as Dai Ha So 大蝦嫂 (ep6-8)
Kitty Lau as a villager (ep6-8)
Suen Kwai Hing as Village head 天石村村長
Si Tsun Village Disease Case
Ng Wai Shan as Yau Fan 柔芬 (ep8)
Yu Tze Ming as Dr. Lo 魯醫師 (ep9)
Tsang Wai Wan as Mother Wan 雲母
Chalk North as a villager
Gambling and Weapan Murder Case
Wong Man Piu as Chan Gau 陳九 (ep10)
Hugo Wong as Chun Ming 秦明 (ep10)
Guests
Lam King Kong as Sing Ding Tin 成鼎天
Casper Chan as Kong Siu Tau 江小透 (ep3-4)
Amy Ng as Siu Dip 小蝶 (cameo, ep12)
Oscar Leung (cameo, ep13)
Matt Yeung as the prince's entourage (ep16)
Jimmy Au as Fok Ching 霍正 (ep19-21)
Lau Tin Lung as Lo Yut Fee 駱一非
Wong Wai Tak as 鄧發
Leo Tsang
Peter Pang as Liu Kong Yip 柳紅葉
Tong Chin Hung