Based on a true story. Shiro, a dog who lives in an inn on Akajima in Okinawa, swims to the opposite shore on Zamami to see his love, a dog named Marilyn. Shiro is portrayed by the real-life Shiro.
as Daisuke Nakazato
as Minami Kubota
as Tatsuro Nakazato
as Katsue Nakazato
as Haruko Tamashiro
as Gentaro Tamashiro
as Vet
as Kenji Ogata
