瘋劫
The Secret (1979)
Country: Hong Kong
Genre: Drama 
Release Date: 11/01/1979
 
Director
  Ann Hui On-Wah
 
Script
  Joyce Chan Wan-Man
 
Producer
  Law Hoi-Muk
 
 
Cast
  Sylvia Chang Ai-Chia ... Lin Ming
  Angie Chiu Nga-Chi ... Lee Yuen (Yuen Yuen)
  Norman Chu Siu-Keung ... Madman
  Lee Hye-Sook ... Mei Siu Gei
  Lai Cheuk-Cheuk ... Laai Laai (Grandma)
  Alex Man Chi-Leung ... Dr Yuen Si Cho
  Lo Gwok-Hung ... Chow Tung Sing
  Kenneth Tsang Kong ... Cop
  George Lam Chi-Cheung ... Hospital Doctor [cameo]
  Ng Tung ... Uncle Kung
  Lai Siu-Fong ... Cheung Dai Ma
  Yip Ping ... Wong Suk Lai
  Cheng Lai-Fong (1) ... Lin Ming's sister
  Lam Wai-Tiu ... Lin Ming's brother
  Law Ho-Kai ... Kwan Yin
  Leung Suk-Hing ... Madman's mother
  David Lam Tak-Luk ... Lee Ho Hing
  Lin Jing (1) ... Cho's Mother
  Wang Lai ... Mamasan in Macau
  Tsang Choh-Lam ... Nightwatchman
 
Production Company
  Unique Films Ltd.
 
Cinematographer
  David Chung Chi-Man
 
Production Manager
  Audrey Lee Yuk-Lan
 
Art Director
  Dick Cho Kin-Nam
 
Editor
  Hamilton Yu Chan-Fung
 
Presenter
  Woo Shu-Yue
 
Makeup
  Yam Jan-Hoi
 
Composer
  Violet Lam Man-Yee
 
 
 
Summary
 

Nurse Lin Ming is drawn into investigating a horrible double-killing which involved her neighbour and friend Yuen Yuen. A local madman (never named) is in the frame, but the truth is not nearly so simple....