Big Hero 6, a 2014 American animated superhero film produced by Walt Disney Animation Studios and Marvel Animation, was a critical and commercial success worldwide. The film's Japanese dub, also known as "Big Hero 6: Hero ga Taiketsu" (), has garnered significant attention from anime fans and Disney enthusiasts alike. This paper provides an in-depth analysis of the Japanese dub of Big Hero 6, exploring its production, voice casting, cultural significance, and reception in Japan.