Joseph Lai Director (12) Ninja Powerforce (1988) Ninja Strike Force (1988) The Power of Ninjitsu (1988) The Ninja Showdown (1987) Cobra vs. Ninja (1987) Ninja Kill (1987) Ninja Operation: Licensed to Terminate (1987) Ninja Avengers (1987) Ninja Commandments (1987) Ninja Hunt (1986) Golden Ninja Warrior (1986) Singjâaopá-yák (1981) Producer (32) Kickboxer from Hell (1992) Thunder Ninja Kids: The Hunt for the Devil Boxer (1991) Thunder Ninja Kids in the Golden Adventure (1992) American Commando Ninja (1988) Crackdown Mission (1988) Daai Se Wong (1988) Diamond Ninja Force (1988) Untouchable Glory (1988) Scorpion Thunderbolt (1988) Zombie vs. Ninja (1989) American Ninja: The Magnificent (1988) Angel's Blood Mission (1987) Full Metal Ninja (1988) Ninja: Silent Assassin (1987) Cobra vs. Ninja (1987) Ninja Avengers (1987) Ninja Kill (1987) Ninja Commandments (1987) The Ninja Squad (1986) Ninja Dragon (1986) Golden Ninja Warrior (1986) The Ultimate Ninja (1986) Sha Chu Chong Wei (1978) Ninja Terminator (1985) Ninja Champion (1985) Zhi Zun Shen Tou (1984) Mission Thunderbolt (1983) Yong Li Ren Zhe (1978) Fist of Golden Monkey (1983) Fu Quan (1981) Singjâaopá-yák (1981) Shao Lin Zhen Ying Xiong (1979)
