Guest Stars James Holland as Himself (Author & Historian) Tony Pollard as Himself (Conflict Archaeologist) Eiji Mihara as Isoroku Yamamoto Tsuwayuki Saotome as Yuzuru Hiraga Mike Pavelec as Himself (Military Historian) Tosh Minohara as Himself (Historian, Kobe University) Zack Niizato as Mitsuru Yoshida Moto Yamamoto as Soemu Toyoda