Makoto Kōsaka (高坂 真琴, Kōsaka Makoto; born 22 March 1950) is a Japanese voice actress affiliated with Tokyo Actor's Consumer's Cooperative Society. She is best known for voicing Hiromi Oka in Aim for the Ace!, O-jirō in Little Ghost Q-Taro, and Mari Sakurano in Brave Raideen.
Source: “Makoto Kōsaka”, English Wikipedia (CC BY-SA 4.0), excerpt