Fukushima 50 is a 2020 Japanese disaster drama film directed by Setsurō Wakamatsu and written by Yōichi Maekawa. Starring Koichi Sato and Ken Watanabe, it is about the titular group of employees tasked with handling the meltdown of the Fukushima Daiichi Nuclear Power Plant after the 2011 Tōhoku earthquake and tsunami. The film is based on the book by Ryusho Kadota, titled On the Brink: The Inside Story of Fukushima Daiichi, and it is one of the first Japanese films to depict the disaster.