Machiko Washio was born on 2 June 1949 in Kanagawa, Japan. She is an actress, known for Urusei Yatsura 2: Byûtifuru dorîmâ (1984), Tenkû No Shiro Rapyuta (1986) and Urusei Yatsura 1: Onri yû (1983). She was previously married to Shû Nakajima.