Is Jim Cameron working on an atomic bomb movie? Avatar director James Cameron is reportedly working on a movie about atomic bombs. The director recently visited Tsutomu Yamaguchi, the only person to survive America’s attacks on both Hiroshima and Nagasaki, to discuss his mystery project. Cameron visited Yamaguchi with Charles Pellegrino, the author of The Last Train From Hiroshima: The Survivor’s Look Back. Cameron is also working on a sequel to Avatar and manga adaptation Battle Angel Alita.