Ohgo began acting in 2000 when she was seven then she joined Sunflower Himawari which is a theatrical company She debuted with the company at the Meijiza in Story of a National Thief In early 2005 Ohgo debuted in her first major film Kita No Zeronen 北の零年 aka Year One in the North directed by Isao Yukisada with the wellknown actor Ken Watanabe where she played the role of Tae Komatsubara In December 2005 she debuted in Hollywood with Memoirs of a Geisha directed by Rob Marshall where she played Sakamoto Chiyo the child version of the main protagonist Nitta Sayuri the adult version is played by Chinese actress Zhang Ziyi During the same year she also won the Japan Film Critics Award for Best Newcomer In 2006 Ohgo also starred in Baruto no Gakuen バルトの楽園 aka Symphony of Joy which was released in June 2006 and is set during World War I where she plays a girl of mixed GermanJapanese heritage trying to find her German father who may be held there In 2008 she began lending her voice to anime in Michiko to Hatchin as Hana AKA Hatchin She also provided the voice Kaita in Professor Layton and the Diabolical Box She worked at CATARMAN until 2013