The System
行規
Synopsis
Inspector Chan is determined to crack a drug syndicate. He gets the goods on family man and drug addict/dealer Tam, and convinces him to become an informer. However, Tam betrays Chan and lets him down more than once. Chan persists with Tam, despite strong pressure from his skeptical superiors.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
M+ Restored | Peter Yung's 'The System' (1979) Trailer
Type: Trailer • Published 2026-05-01
Top Cast
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Release History & Theatrical Window
Taipei Golden Horse Film Festival
Festival / Special Debut
Key Information & Fast Facts
- Director
- Peter Yung Wai-Chuen
- Screenplay & Story
- Sin Lee, Peter Yung Wai-Chuen, Gam Bing-Hing
- Original Title
- 行規
- Country of Origin
- Hong Kong
- Spoken Languages
- Cantonese
- Runtime
- 1h 23m
- Production Studios
- Bang Bang Films, Trinity Asia
Creative Leadership & Key Crew
Peter Yung Wai-Chuen
Sin Lee, Peter Yung Wai-Chuen, Gam Bing-Hing
Tom Lau Moon-Tong, Peter Yung Wai-Chuen
Wong Yee-Shun
Department Leadership Roster
Peter Yung Wai-Chuen
Director
Sin Lee
Writer
Peter Yung Wai-Chuen
Writer
Tom Lau Moon-Tong
Director of Photography
Peter Yung Wai-Chuen
Director of Photography
Wong Yee-Shun
Editor
Production Stills & Gallery
Official cinematic photography and background stills for The System.
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Frequently Asked Questions About The System
Quick factual answers about cast, synopsis, director, box office, and release information.
What is The System about?
Inspector Chan is determined to crack a drug syndicate. He gets the goods on family man and drug addict/dealer Tam, and convinces him to become an informer. However, Tam betrays Chan and lets him down more than once. Chan persists with Tam, despite strong pressure from his skeptical superiors.
Who directed The System?
The System was directed by Peter Yung Wai-Chuen.
Who stars in The System?
The principal cast of The System includes Shih Kien, Pai Ying, Lisa Chiao Chiao, Chung Chi-Keung, Gwong Wai-Keung.
When was The System released and how long is it?
The System was released in 1979 with a total runtime of 1h 23m.