Kaoru Hama

Sonny Chiba fits the title role of Assassin like a spiked glove. Chiba plays a karate expert who poses as a criminal. In this guise, he is hired as a hitman by a Japanese mob. He hopes to maintain this artifice until he can bring the other gang members to justice. He doesn't, thereby laying the groundwork for a thrilling finale. (allmovie.com)