The Manster (双頭の殺人鬼, Sōtō no Satsujinki, "The Two-Headed Killer") is a 1959[1] American science-fiction horror film. Shot in Japan, it was produced by George P. Breakston and directed by Breakston and Kenneth G. Crane from a screenplay by Walter J. Sheldon. Sheldon's script was based on Breakston's story which he originally titled The Split.[2] [3] The film starred Peter Dyneley as a foreign correspondent in Japan who is given an experimental drug which causes an eye and eventually, a second head to grow from his shoulder. Tetsu Nakamura played the mad scientist, Dr. Suzuki, with Tamoko Takechi as his horribly mutated wife, Emiko.[2