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.
as Geki Jumonji / Space Sheriff Gavan Type G
as Gai Ikari / Gokai Silver
as Yoko Usami · Yellow Buster
as Haruto Souma / Kamen Rider Wizard
as Koyomi
as Kousuke Nitou · Kamen Rider Beast
as Shunpei Nara
as Rinko Daimon
as Shigeru Wajima
as Daigo Kiryu · Kyoryu Red
as Ian Yorkland · Kyoryu Black
as Nobuharu Udo · Kyoryu Blue
as Souji Rippukan · Kyoryu Green
as Amy Yuuzuki · Kyoryu Pink
as Hiromu Sakurada · Red Buster
as Ryuji Iwasaki · Blue Buster
as Miho Nakamura
as Tooru Morishita
as Takeshi Kuroki
as Kai Hyuuga · Space Sheriff Sharivan
as Shelly / Kotoha Hanaori · Shinken Yellow
as Retsu Ichijouji
as Strategist Raider / Space Raider
as Kyoryu Gold (voice)
as Kamen Rider Fourze (voice)
as Gokai Red (voice)
as Space Sheriff Shaider (voice)
as Inazuman (voice) / Sanagiman (voice) / Geki Red (voice)
as Usada Lettuce (voice)
as Beet J. Stag (voice)
as Groundain (voice)
as Skydain (voice)
as Shadowmoon (voice)
as Saboteguron (voice) / Zanjiou (voice) / Others (voice)
as Space Kumo Otoko (voice)
as Kamen Rider 1 (voice), Additional Voices
as Narrator (voice) / Aka Ranger (voice) / Space Ika Devil (voice)
as Psycholon (voice)
as Demon King Psycho (voice)
as Ginga Red (voice) / Kamen Rider Nigou (voice) / Space Shocker Combatant (voice) / Dogoumin (voice)
as Red Falcon (voice) / Deka Green (voice) / Shinken Green (voice) / Space Shocker Combatant (voice)
as Usukawadayuu (voice), Others
as Kyoryuger Equipment Voice
