A mysterious alchemist studies and experiments to create "living creatures" called Chemies. Unfortunately, the cards holding them that should have been kept secret are accidentally unleashed on the world. High school student Houtarou Ichinose is tasked to retrieve all the Chemies released around the world. Using the Grasshopper Chemy, Hopper-1, and the Steam Locomotive Chemy, Steamliner, he transforms into Kamen Rider Gotchard!
as Houtaro Ichinose / Kamen Rider Gotchard
as Rinne Kudo / Kamen Rider Majade
as Supana Kurogane / Valvarad / Kamen Rider Valvarad
as Sabimaru Tsuruhara
as Renge Icho
as Minato
as Atropos
as Clotho
as Lachesis
as Kyoka Edami
as Ryo Kajiki
as Glion
as Fuga Kudoh
as Tamami Ichinose
as Hopper-1 (voice)
as Ho-Oh Kaguya Quartz / Kamen Rider Legend
