A special preview special released a few weeks before Kamen Rider Gavv's premiere, which revealed new details and unreleased footage featuring the next Kamen Rider, Kamen Rider Gavv.
知念英和
as Self - Shouma / Kamen Rider Gavv
野口友輔
as Self - Hanto Karakida / Kamen Rider Valen
宮部のぞみ
as Self - Sachika Amane
塚本高史
as Self - Lango Stomach
杉原輝昭
as Self
坂部剛
as Self
世界
as Self
佐藤大樹
as Self
Natsuki Sawamoto
as Self
瀬口黎弥
as Self
堀夏喜
as Self
木村慧人
as Self
