狼對狼
Ferocious to Ferocious (1973)
Alias: Flash Challenger
Alias : 狠對狠
Country: Taiwan
Language: Mandarin 
Genre: Martial Arts 
 
Director
  Wang Hung-Chang
 
Script
  Cheung San-Yee
 
Action Directors
  Hsieh Hsing (1)
  Ko Pao
 
Producers
  Chang Yan-Tao
  Joseph Lai San-Lun
  Betty Chan Kwai-Wa
 
 
Cast
  Anthony Chan Keung (1)    
  Cliff Ching Ching    
  Ching Tiao-Hua    
  Kong Yeung (4)    
  Chiu Keung (1)    
  Kurata Yasuaki    
  Lam Chung (4)    
  Lau Yau-Bun    
  Cheung Wai (2)    
  Yang Hsiung    
  Chan Gam-Chu    
  Cheng Lei    
  Keung Hon    
  Yang Kuei-Yu    
  Woo Chau-Ping    
  Ye Niu    
  Siu Wong-Lung    
  Wu Kuo-Liang    
  Lam Chi-Wing    
  Ying Kei (1)    
  Hsieh Hsing (1)    
  Wang Hung-Chang    
  Unknown Taiwanese Actor (14) ... [Extra]
  Chow Jun ... [Extra]
  Fan Fung-San ... [Extra]
  Wong Kwok-Fai (1) ... [Extra]
 
Production Company
  To-Day Motion Picture
 
Production Manager
  Hsia Chiang-Hua
 
Planning
  Woo Chau-Ping
 
Presenter
  Chu Cheung-Cheung
 
Filming Location
  Taiwan