Keiko Tsushima: Keiko Tsushima. Actress: Seven Samurai. Keiko Tsushima was born on 7 February 1926 in Nagasaki, Japan. She was an actress, known for Seven Samurai (1954), Shiosai (1975) and Kyatsu o nigasuna (1956). She died on 1 August 2012 in Tokyo, Japan.