Toho 's exclusive actor. He has appeared in many works regardless of genre, including Toho special effects and movies directed by Hiroshi Inagaki . In 1971, after the abolition of the Toho exclusive system, he transferred to the Nova Pro Group with Shigeo Kato and Kazuo Imai , and continued his activities until the mid- 1970s . However, the subsequent fate is not clear. According to Shigeo Kato, Mukai was not originally an actor, but joined the company as aspiring screenwriter . Watch drama online for free.