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.
| Actor | Role |
|---|---|
 Hideaki ItoDaisuke Senzaki | Daisuke Senzaki |
 Ai KatoKanna Izawa | Kanna Izawa |
 KarinaErika Matsubara | Erika Matsubara |
 Atsushi ItoHajime Kudo | Hajime Kudo |
 Mitsu MurataAtsushi Kawaguchi | Atsushi Kawaguchi |
 Motoki FukamiMakoto Tsuchiya | Makoto Tsuchiya |
 Sogen TanakaEiji Nomura | Eiji Nomura |
 Jun KunimuraAdmiral Masaki Igarashi | Admiral Masaki Igarashi |
 Tatsuya FujiChief Taro Minamoto | Chief Taro Minamoto |