The movie "Umizaru" is the story of 14 young Japan Coast Guard officers who take part in a grueling training to become rescue divers. They must endure and survive a 50-day training. Daisuke Senzaki (Hideaki Ito) and 13 other recruits take part in the training. With his love for the ocean and dream to work as a rescuer at sea, a rescue diver seemed like the perfect occupation for Daisuke.
Practical Effects
Real underwater stunts, no tank fakes
Cinematography
Ocean shots that'll make you seasick
Acting
Hideaki Ito's slow-burn determination

Director
Eiichiro Hasumi
Trivia, insights & behind the scenes
Hideaki Ito performed many stunts himself after months of dive certification. The production used actual Coast Guard facilities and active-duty instructors as extras.
Launched a four-film franchise and TV series, cementing the 'rescue diver' subgenre in Japanese cinema. Based on a manga by Shuho Sato, who later disowned adaptations for creative differences.