From Wikipedia, the free encyclopedia. Kenji Sahara ( Sahara Kenji, born Tadashi Ishihara) (born May 14, 1932) is a Japanese actor. He was born in Kawasaki City, Kanagawa. His real name is Masayoshi Kato ( Katō Masayoshi). Initially he used the name Tadashi Ishihara before changing it when he secured the lead role in Rodan (1956). Description above from the Wikipedia article Kenji Sahara, licensed under CC-BY-SA,full list of contributors on Wikipedia.