Kayama Tetsu is a Japanese actor from Tokyo, Japan. He is affiliated with the Shoji Shimoda Office. On January 18, 2019, he changed his stage name from Yamashita Tetsuo (山下徹大) to Kayama Tetsu. His father is the actor Kayama Yusuke, his mother is former actress Matsumoto Megumi, his sister is actress and cooking researcher Azusa Mayuko, and his aunt is actress Ikehashi Emi. His grandfather is actor Uehara Ken, and his grandmother is actress Kosakura Yoko. He is a descendant of the sixth generation (great-great-grandchild) of Meiji statesman Iwakura Tomomi. (Source: Japanese = Wikipedia || Translation = MyDramaList) Watch drama online for free.