軟骨真奶
Yoga and the Kung-Fu Girl (1979)
Alt title: Octagon Force
Alias : 軟骨真功夫
Alias: Yoga and the Kungfu Girl
Country: Taiwan
Language: Mandarin 
Genre: Martial Arts 
 
Director
  Sun Yang (1)
 
Script
  Sun Cheng-Chong
 
Action Directors
  Chai San-Lian
  Tai Wang
 
Producer
  Lu Tuan-Wen
 
 
Cast
  Chi Kuan-Chun ... Ho Fei
  Pai Ying (2) ... Dr. Chang
  Lu Ti ... Ma
  Chiang Ching-Hsia ... Madame Kao
  Phoenix Chen ... Flexible kung fu girl
  Wang Ruo-Ping ... Troupe member
  Hsiao Wang ... Rascal
  Liu Yin-Shang ... Wife of casino boss
  Yen Chung ... Casino boss
  Chen Chin-Hai ... One-armed fighter
  Li Hsiao-Ming ... Jackie Chan clone
  Wu Feng-Hsien ... Troupe member
  Wu Tong-Chiao ... Thug
  Chow Jun ... Thug
  Chou Cheng-Chih ... Boxer
  Si-Ma Kong-Kong    
  Yung Shun-Hing    
  Ou-Yang Chong    
  Chai San-Lian    
  Unknown Taiwanese Actor (13)    
  Fan Fung-San ... [Extra]
 
Production Company
  Long Sun Flim Co., Ltd.
 
Cinematographer
  Suen Choi-Suk
  Liao Pen-Jung
 
Production Manager
  Wu Han-Liang (1)
 
Presenter
  Chong Lung
  Audrey Lee Yuk-Lan
 
Assistant Director
  Yang Chi-Ming
 
Composer
  Wong Mau-San
 
Filming Location
  Taiwan