Yôko Koyama Details Cast On MovieCast On TV Name Yôko Koyama Also Known As Birthday Gender Male Place of Birth As: Unknown1969-06-27Yakuza Law... As: Unknown1969-08-27Love and Crime... As: Unknown1969-03-30Yakuza on Foot... As: Unknown1970-04-10Prison Tales... As: Miki1969-10-31Horrors of Malformed... As: Unknown1970-10-17Kigeki Gyanburu Hiss... As: Unknown1969-05-03Brothers Serving Tim...