Seiji Takaiwa is a Japanese stunt performer and suit actor from Saitama Prefecture affiliated with Japan Action Enterprises. He is married to retired stunt performer and suit actor Rie Murakami.
He has been cast in many leading roles in the Super Sentai and Kamen Rider series, portraying a diverse range of characters. He has been the suit actor of 17 out of the 19 lead Heisei Kamen Riders. Because of his many lead roles in the series, fans have dubbed him "Mr. Kamen Rider".
Good Morning, Sleeping Lion 2
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
Kamen Rider Kiva: King of the Castle in the Demon World
Kamen Rider Ghost RE:BIRTH - Kamen Rider Specter
Good Morning, Sleeping Lion
Kamen Rider Revice the Movie Spin-Off: Birth of Chimera
Lady Battle Cop
HE -LOW THE FINAL
Tokusou Robo Janperson the Movie: Mother is Eternal! The Electric Brain’s Love and Passion on the Operating Table
Ninja Sentai Kakuranger Part 3: The Fights of Middle Age
Kamen Rider Decade: All Riders Super Spin-off
Kamen Rider Ryuki Hyper Battle Video: Ryuki vs. Kamen Rider Agito
Shogun's Ninja
Tatsujin Warriors
Momotaros' Summer Vacation
Kamen Rider 555 20th: Paradise Regained
Kamen Rider Ghost: Final Stage
Seijuu Sentai Gingaman
Gosei Sentai Dairanger
Kamen Rider
Kamen Rider
Kamen Rider
Kamen Rider
Kamen Rider
Kamen Rider
B-Fighter Kabuto
Juukou B-Fighter
Special Rescue Exceedraft
Special Investigation Robo Janperson
Special Investigation Robo Janperson
Hikonin Sentai Akibaranger
Absolute Zero
Gourmet Detective Goro Akechi
Kamen Rider: Reiwa's Gorgeous Sports Day
No. 1 Sentai Gozyuger
Super Sentai Series