Keiichi Hasegawa (長谷川 圭一, Hasegawa Keiichi; born February 1, 1962) is a Japanese screenwriter from Atami, Japan.
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Biography
After graduating from Nihon University's Art Department with a degree in film studies, Hasegawa made his debut as an assistant director with the unreleased film Kuchita Teoshiguruma. After participating in the later half of the series Taiyō ni Hoero!, he moved to the art department to work on props and decorations, and participated in many films, including Gamera: Guardian of the Universe and Gamera 2: Attack of Legion.
Hasegawa began writing for television in the 1990s and has been a writer for almost every Ultraman series produced since Tiga up to the first season of Ginga. Since first beginning his work on the Ultraman franchise with the 1996 series Ultraman Tiga, Hasegawa has gone on to write more material for the franchise than any other writer. He has been directly involved with the creation of every title Ultraman character up to Mebius as well as having had a major role in selecting actors for the roles.



