As he lived off his sister, Mizoguchi was fascinated by movies, opera and literature; in 1920, favored by an actor for the Nikkatsu (a movie studio), Tadashi TOMIOKA, he was hired by the Nikkatsu Studio.
姉の家に居候しながら映画やオペラ、文学にひたり、日活の俳優であった富岡正の知遇を得、9年に日活撮影所に入社。