

Admiral Isoroku Yamamoto, a brilliant tactician, is a loyal subject of the emperor, despite his grave misgivings about leading Japan's navy into war with the United States. He opposes the attack on Pearl Harbor, but, overruled, he leads his forces to the best of his ability.
Ishirō Honda
Takashi Shimura
Colonel A, staff officer of the army

Toshirō Mifune
1st Lieutenant Tomonaga

Takamaru Sasaki
Chief of Staff, Combined Fleet

Rentaro Mikuni
Staff Officer (uncredited)

Keiju Kobayashi
Staff Officer (uncredited)

Hajime Izu
Staff Officer (uncredited)