Noboru Hiura
В роли: Self - Deputy General Manager, Electrical Signal Network System Department, JR East

Takashi Kitamura
В роли: Self - Tohoku Construction Office, JR East

Tamotsu Mikami
В роли: Self - Manager, Tohoku Construction Office, JR East

Ryo Takagi
В роли: Self - Associate Professor, Kogakuin University

Toshiaki Takei
В роли: Self - Instructor

Russell Totten
В роли: Self

Lyena Yonekura
В роли: Narrator (голос)