Toshiyuki Hosokawa was a Japanese actor and disc jockey, whose credits included roles in television, film, stage and musical theater. He reached prominence in Japan for his starring role in the 1970 film Eros Plus Massacre, which was directed by Yoshishige Yoshida. Hosokawa was born and raised in Fukuoka Prefecture. He launched his acting career as a member of the theater company, Bungakuza, in 1964. He joined Bungakuza after leaving his university.