Japan’s Longest Day (1967)

aka's: Nihon No Ichiban Nagai Hi/The Emperor And A General/The Emperor And The General/The Longest Day Of Japan/Nippon No Ichiban Nagai Hi/
日本のいちばん長い日

Following the detonation of the atomic bombs on Hiroshima and Nagasaki, the Japanese military and the government clash over the demand from the Allies for unconditional surrender. Minister of the Army Anami (Toshirô Mifune) leads the military officers who propose to fight on, even to the death of every Japanese citizen. Emperor Hirohito, however, joins with his ministers in asking the unthinkable, the peaceful surrender of Japan. When the military plots a coup to overthrow the Emperor's civilian government, Anami must face the choice between his desires and loyalty to his Emperor. Also stars Seiji Miyaguchi, Rokkô Toura and Chishû Ryû. (In Japanese language, with English subtitles, and in widescreen format).