Keiichi Hasegawa
Writing · Writer · Screenplay · Script
Born Feb 1, 1962 · Atami, Shizuoka, Japan
Active 1971–present
Keiichi Hasegawa is a Japanese screenwriter from Atami, Japan.
Filmography
No. 1 Sentai Gozyuger: Polar Beginning (2026) - WriterNo. 1 Sentai Gozyuger (2025) - WriterAbyssalis Revelation: Lachesis (2025) - WriterGridman Universe (2023) - ScreenplaySSSS.DYNAZENON (2021) - Writer · Series CompositionSSSS.GRIDMAN (2018) - Writer · Series CompositionRage of Bahamut (2014) - Series Composition · WriterUltraman Ginga (2013) - Writer · Creator009-1: The End of the Beginning (2013) - WriterKamen Rider W Returns: Kamen Rider Accel (2011) - Drunken Man · WriterSuperior Ultra 8 Brothers (2008) - WriterGraveyard Kitaro (2008) - ScriptCackling Kitarou (2007) - WriterUltraman Mebius (2006) - WriterUltraman Mebius & Ultra Brothers (2006) - WriterUltraman Nexus (2004) - Series Composition · ScreenplayAstro Boy (2003) - WriterGodzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack (2001) - ScreenplayUltraman Cosmos (2001) - WriterUltraman Tiga: The Final Odyssey (2000) - ScreenplayThe Big O (1999) - WriterUltraman Gaia (1998) - WriterUltraman Dyna (1997) - WriterKamen Rider (1971) - Humagear · Writer · Series Composition