Mas Oyama was born on July 27, 1923 in Gimje, Jeollabuk-do, Korea. He was an actor and writer, known for Karate daisenso (1978), Bodigaado Kiba: Hissatsu sankaku tobi (1973) and Chijo saikyo no karate 2 (1976). He died on April 26, 1994 in Japan.