A goofy schoolteacher stumbles headlong into a counterfeiting ring after he accidentally picks up one of the gang's bill proofs, hidden in a library book. As the heat comes down, it's going to take more than an apology for him to escape.
| Actor | Role |
|---|---|
 Lawrence NgMr. Shee | Mr. Shee |
 Elaine Lui Siu-LingSiao Lan Hung | Siao Lan Hung |
 Shum WaiShee Senior | Shee Senior |
 Hwang Jang-LeePaleface | Paleface |
 Shing Fui-OnWicked Brain | Wicked Brain |
| CChan Cheuk-FaiBig Boss Chuen | Big Boss Chuen |
 Lily LiMs. Ng | Ms. Ng |
 Tai BoBartender | Bartender |
 Charlie Cho Cha-LeeSex maniac at rehab school [cameo] | Sex maniac at rehab school [cameo] |
 Bill Tung BiuTaxi Driver [cameo] | Taxi Driver [cameo] |
 Danny Lee Sau-YinSergeant Lee | Sergeant Lee |
 Wong JingBlack Jack [cameo] | Black Jack [cameo] |
 Michael Chan Wai-ManNinja [cameo] | Ninja [cameo] |
 Felix Wong Yat-WahAh Wah | Ah Wah |
 Phillip Ko FaiChuen's thug | Chuen's thug |
 Wong YuNot listed | Not listed |
 Chiu Chi-LingNot listed | Not listed |
 Yu Miu-LinNot listed | Not listed |
 Alan Chui Chung-SanNot listed | Not listed |