You Only Live Twice (film) declined the offer to direct, but accepted after producer Albert R. Broccoli called him saying: "You can't give up this job. It's the largest audience in the world." Peter R. Hunt, who edited the first five Bond films, believed that Gilbert had been contracted by the producers for other work but they found they had to use him. Gilbert, producers Broccoli and Harry Saltzman, production designer Ken Adam and director of photography Freddie Young then went to Japan, spending three weeks searching for locations. SPECTRE's shore fortress headquarters was changed to an extinct volcano after the team learned that the
You Only Live Twice (film) included using the Royal Navy frigate , then in Gibraltar, for the sea burial, Hong Kong for the scene where Bond fakes his death, and Norway for the Soviet radar station. Sean Connery's then-wife Diane Cilento performed the swimming scenes for at least five Japanese actresses, including Mie Hama. Martial arts expert Donn F. Draeger provided martial arts training, and also doubled for Connery. Lewis Gilbert's regular editor, Thelma Connell, was originally hired to edit the film. However, after her initial, almost three-hour cut received a terrible response from test audiences, Peter R. Hunt was asked to re-edit the film.