Acting
Seiji Takaiwa
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".
Titles
Kamen Rider
1971
No. 1 Sentai Gozyuger
2025
Absolute Zero
2010
Seijuu Sentai Gingaman
1998
Gosei Sentai Dairanger
1993
Special Rescue Exceedraft
1992
Juukou B-Fighter
1995
Hikonin Sentai Akibaranger
2012
Special Investigation Robo Janperson
1993
B-Fighter Kabuto
1996
Agito: Superpower War
2026
Gourmet Detective Goro Akechi
2020
Shogun's Ninja
2025
Kamen Rider 555 20th: Paradise Regained
2024
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
2014
Kamen Rider Kiva: King of the Castle in the Demon World
2008
Kamen Rider: Reiwa's Gorgeous Sports Day
2024
Kamen Rider Ryuki Hyper Battle Video: Ryuki vs. Kamen Rider Agito
2002
Tatsujin Warriors
2025
Lady Battle Cop
1990
Kamen Rider Kabuto 20th: The One Who Inherits the Heavens
2026
Kamen Rider Revice the Movie Spin-Off: Birth of Chimera
2022
Kamen Rider Agito Special: A New Transformation
2001
HE -LOW THE FINAL
2022
Ninja Sentai Kakuranger: Act Three - Middle-Aged Struggles
2024
Good Morning, Sleeping Lion 2
2024
The Living Dragon
2026
Kamen Rider Ghost RE:BIRTH - Kamen Rider Specter
2017
Momotaros' Summer Vacation
2007
Tokusou Robo Janperson the Movie: Mother is Eternal! The Electric Brain’s Love and Passion on the Operating Table
1993
Good Morning, Sleeping Lion
2022
Kamen Rider Decade: All Riders Super Spin-off
2009
Kamen Rider Ghost: Final Stage
2017