From Wikipedia, the free encyclopedia Gerald Okamura (born 1940) is an American theatrical martial artist. Gerald started martial arts with judo in 1953. He has practiced kendo, aikido, taekwondo, and he is currently a 5th degree black belt in Kung Fu San Soo (his sensei was Jimmy H. Woo). Gerald is a designer of various types of weaponry that have been featured in dozens of movies and publications across the world. Okamura began doing stunts in 1975, getting his first credited role in 1980. ...