[1] Later she became one of Japan’s first female film producers, working with the actors Yujiro Ishihara and Masumi Okada and the director Koreyoshi Kurahara at Nikkatsu during the studio’s golden age.

This marked the beginning of Mizunoe's signature "cross-dressed fair lady" style, and she became known for her appearances onstage in a silk hat and tuxedo.

[3]In June–July 1933, at age 18, Mizunoe led one of the Japanese labor movement's few successful actions of the period when she headed a strike of the Shochiku Opera Company's performers in reaction to wage cuts.

[5] Although the Shochiku Opera Company dismissed Mizunoe for two months following the labor dispute, she returned to the stage in September 1933 with a one-woman show, ushering in her peak period as a revue star.

[8] She discovered and promoted a number of other actors who would go on to successful careers in Japan's film industry, including Ruriko Asaoka and Masumi Okada, as well as current National Diet politician Akiko Santō.

[9] After ending her career as a producer, Mizunoe continued appearing on television until she retired in 1987, following an incident in which her nephew Kazuyoshi Miura was accused of murdering his wife.