Taking place thirty years before the events of Ringu, Ringu 0 provides the shocking background story of how the girl on the video became a deadly, vengeful spirit.
as Sadako Yamamura
as Hiroshi Tôyama
as Etsuko Tachihara
as Akiko Miyaji
as Yûsaku Shigemori
as Wataru Kuno
as Aiko Hazuki
as Togashi
as Joshikôsei
as Heihachirô Ikuma
as Shizuko Yamamura
as Gekidan Kenkyûsei
as Kaoru Arima
as Dansei Kyôyu (uncredited)