Released to commemorate Kamen Rider 555's 20th anniversary, the film takes place after the ending of the TV series. Masato Kusaka and Mari Sonoda are fighting a new iteration of Smart Brain led by Kitazaki, who begins an operation to exterminate all Orphnochs, with Takumi Inui seemingly working with them for unknown reasons since his disappearance.

Kento Handa
as Takumi Inui / Kamen Rider Faiz

Yuria Haga
as Mari Sonoda

Rumika Fukuda
as Reina Kurumi/ Kamen Rider Muez

Daiji Asakawa
as Jotaro Kikuchi

Rui Yanagawa
as Hisao

Ryûnosuke Hashino
as Kouta

Kanon Matsuzawa
as Kei

Amane Shindo
as Smart Lady

Yuki Sakai
as Doctor

Haruka Shibai
as Doctor