Sakiko Tamagawa was born on January 20, 1962 in Tokyo, Japan. She is an actress, known for Summer Wars (2009), Ghost in the Shell - Stand Alone Complex: Solid State Society (2006) and Ranma ½: Chûgoku Nekonron daikessen! Okite yaburi no gekitô hen (1991). She is married to Shûichi Ikeda.