Andy Lau stars in The Prince of Temple Street, a classic triad story of honor and righteousness. Andy Lau is "The Twelfth Young Master", so called because he was raised by twelve foster parents from the triad underworld. A lifelong resident of Temple Street, the Young Master is intimately familiar with the triad life, having been around triads his whole life. But things change when he meets a beautiful missionary named Teresa (Joey Wang). She desires to bring hope and faith to Temple Street, and the Young Master is drawn towards her.
| Actor | Role |
|---|---|
 Andy LauPrince Twelve / Lu Lo | Prince Twelve / Lu Lo |
 Joey WongTeresa | Teresa |
 Deanie IpPhoenix | Phoenix |
 Chin HoLap Ling | Lap Ling |
 Richard Ng Man-TatTong Chao Tao | Tong Chao Tao |
 Kent Cheng Jak-SiCheng [cameo] | Cheng [cameo] |
 Charles HeungChiang | Chiang |
 Kenneth TsangSan | San |
 Lau Siu-MingHao | Hao |
 Lau KongYan Tong | Yan Tong |
 Amy Yip Chi-MeiHsia | Hsia |
 Wong Chi-KeungChai/Piggy | Chai/Piggy |
 Ray LuiChiu | Chiu |
 Jamie Luk Kim-MingLittle Ma | Little Ma |
 Frankie Chan Chi-LeungPeter Pan | Peter Pan |
 Jameson Lam Wa-FanMotel Manager | Motel Manager |
 Wan Seung-LamChien's Man | Chien's Man |
 Leung Gam-SanUncle Tsuen | Uncle Tsuen |
 Kingdom Yuen King-TanPhoenix's Hooker | Phoenix's Hooker |
 Choi Kwok-HingKwan | Kwan |
 Lam Wai-HungUncle Kin | Uncle Kin |
 Carol Lee Yee-HaSmartie's Girlfriend | Smartie's Girlfriend |
 Danny Poon Wang-BanCheating | Cheating |
 Leung Kai-ChiNot listed | Not listed |
 Kong Fu-KeungNot listed | Not listed |
| JJoe Chu Cho-KuenNot listed | Not listed |
 Annabelle Lau Hiu-TungNot listed | Not listed |