Masao Mishima was born on January 2, 1906 in Niigata, Japan as Masao Nagaoka. He was an actor, known for Seppuku (1962), Banshun (1949) and Jôi-uchi: Hairyo tsuma shimatsu (1967). He died on July 18, 1973 in Tokyo, Japan. Source: IMDb Watch drama online for free.