Haruko Kato was born in Akasaka, Minato, Tokyo, on 24 November 1922.
[1][2] After training at acting school, she was signed up with the film production company Toho in 1939, debuting in Hanatsumi Nikki [ja] in the same year.
[2] She married the playwright Michio Kato [ja] in 1946, but he died in 1953.
[1] She married actor Masaya Takahashi [ja] in 1958, but they divorced in 1973.
[1] Kato died on 2 November 2015 at her home in Tokyo, aged 92.