A new evil organization known as Space Shocker, which are led by the magic-using Space Ikadevil and Space Spider Man, threatens the Earth by causing an unknown phenomenon. The Space Sheriffs Gavan type-G and Sharivan are sent to execute all magic-users on Earth in response to the threat and begins to attack Kamen Riders Wizard and Beast. The Space Crime Syndicate Madou, who were once defeated by the original Sharivan return, to cause even more havoc in the world. During this, Yoko finds a mysterious little robot called Psycholon, which Space Shocker and the Madou are after for unknown reasons.
石垣佑磨
as Geki Jumonji / Space Sheriff Gavan Type G
池田純矢
as Gai Ikari / Gokai Silver
小宮有紗
as Yoko Usami · Yellow Buster
白石隼也
as Haruto Souma / Kamen Rider Wizard
奥仲麻琴
as Koyomi
匡
as Kousuke Nitou · Kamen Rider Beast
戸塚純貴
as Shunpei Nara
高山侑子
as Rinko Daimon
小倉久寛
as Shigeru Wajima
竜星涼
as Daigo Kiryu · Kyoryu Red
斉藤秀翼
as Ian Yorkland · Kyoryu Black
金城大和
as Nobuharu Udo · Kyoryu Blue
