Tadashi Yokouchi

is a Japanese actor. Born in Dalian, Manchuria, he graduated from high school in Kitakyushu, Fukuoka Prefecture, Japan. A member of the 13th group of actors and actresses trained at the Haiyū-za, he counts Tetsuo Ishidate, Toshiyuki Hosokawa, Tomomi Satō, and Gō Katō as classmates. His older brother Shōji is a much-recorded guitarist, and his younger brother Hiroshi a composer. Tadashi belongs to TY Pro. NHK tapped Yokouchi for the lead in the series "Tabiji," the 1967–68 morning drama. Yokouchi's first major jidaigeki role was Atsumi Kakunoshin in the long-running "Mito Kōmon." He portrayed "Kaku-san" in the first eight series on TBS from 1969 to 1978. Fans remember his deep voice in the theme song as well. He made another appearance on the show in 2003 when the series celebrated its thousandth episode. Another major jidaigeki role began in 1978 as Yokouchi played the historical Ōoka Tadasuke in Abarenbo Shogun (TV Asahi). Having created the role, he continued to portray the magistrate in the first seven series until 1997.