Biography
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".
Acted in 33
2020s
- 2026
The Living Dragon
Movie
- 2025
- 2024
What If My Girlfriend Was a Yokai Hunter... （That's a Wrap)
Hisane Katsuragi
Kamen Rider: Reiwa's Gorgeous Sports Day
Commentary · 4 episodes
Ninja Sentai Kakuranger: Act Three - Middle-Aged Struggles
Jagoemon
Good Morning, Sleeping Lion 2
Kazuma Kujo
- 2023
- 2022
HE -LOW THE FINAL
Movie
- 2020
2010s
- 2017
Kamen Rider Ghost: Final Stage
Gyro
- 2014
- 2010
2000s
- 2008
- 2007
Momotaros' Summer Vacation
Momotaros (suit actor)
- 2002
Kamen Rider Ryuki Hyper Battle Video: Ryuki vs. Kamen Rider Agito
Kamen Rider Agito (voice)
- 2001
Kamen Rider Agito Special: A New Transformation
Kamen Rider Agito (Suit Actor)
1990s
- 1998
- 1996
- 1995
- 1993
Tokusou Robo Janperson the Movie: Mother is Eternal! The Electric Brain’s Love and Passion on the Operating Table
Neo Guild Killer Robot
- 1992
- 1990
Lady Battle Cop
Movie
Other crew 31
2010s
- 2018
- 2017
- 2016
- 2015
- 2014
- 2013
- 2012
- 2011
- 2010
2000s
- 2009
Kamen Rider G
Stunts
Masked Rider DCD
Stunts
- 2008
- 2007
Kamen Rider Den-O: Singing, Dancing, Great Training!!
Stunts
- 2006
Kamen Rider Kabuto: Birth! Gatack Hyper Form!!
Stunts
- 2005
- 2003
- 2001
1990s
- 1999
Seijuu Sentai Gingaman vs Megaranger
Stunts
- 1998
- 1994
- 1993
1970s
- 1971
Appearances2
2000s
- 2009
Kamen Rider Decade: All Riders Super Spin-off
Himself