Revenge of the Ninja
Revenge of the Ninja is a 1983 American martial arts–thriller film starring martial artist and cult actor Sho Kosugi as a ninja trying to protect his only son from a cabal of ruthless gangsters . 
<triplet> Revenge of the Ninja <subj> martial arts <obj> genre <subj> Sho Kosugi <obj> cast member <subj> ninja <obj> main subject <triplet> martial arts <subj> martial artist <obj> main subject