Shintarō Katsu, born Toshio Okumura was a Japanese actor, singer, producer, and director. He was the son of kabuki performer
Katsutoji Kineya (Kineya Katsutōji) who was renowned for his nagauta and shamisen skills, younger brother of actor Tomisaburo
Wakayama (Wakayama Tomisaburō), husband of actress Tamao Nakamura (married in 1962), and father of actor Ryutaro Gan (Gan
Ryūtarō).