Keishi Nagatsuka (長塚圭史, Nagatsuka Keishi, born 9 May 1975 in Tokyo, Japan) is a Japanese actor and writer, known for Shûkan Maki Yôko (2008), Get Up! (2003) and Riarizumu no yado (2003). He is active in theater, TV, and movie. He has been married to Takako Tokiwa since October 20, 2009. He and Tokiwa both appears in Nobuhiko Ôbayashi's Hanagatami (2017). His father is actor Kyōzō Nagatsuka.
2025舞台「チ。―地球の運動について―」MovieWriter2022A Hundred FlowersMovieas Masayuki Kato
2022Women of the NightMovieDirector · Writer2022Shin UltramanMovieas Hayasaka
2021Kawa no Hotori deTV showScreenstory · 6 episodes
2021Ramblers 2Movieas Tsuboi2020Labyrinth of CinemaMovieas Boy's Father
2019Seijo Story: 60 Years of Making FilmsMovieas Self2017HanagatamiMovieas Kira201699.9 Criminal LawyerTV showas Abe · 1 episodes2015The Boy and the BeastMovieas Kyuta's Father (voice)2014Gu Gu the CatTV showas Editor Oomori · 9 episodes2013Neo Ultra QTV showas Narrator · 12 episodes2012Hitori ShizukaTV showas 青木久則 · 1 episodes2012Afro TanakaMovie2011My Back PageMovieas Yoshiro Karatani2009Heaven's DoorMovieas Kokubo2008GothMovieas Cafe Owner2008Suspect XMovieas Shinji Togashi
2007Into the Faraway SkyMovie2006SakuranMovieas Kiyoha's Guest2006Document 72 HoursTV showas Self - Narrator (voice) · 1 episodes2005World's End / Girl FriendMovieas Misawa
2005Demon PondMovieAdaptation
2003Get Up!Movieas Okabe2003RamblersMovieas Tsuboi2002tokyo.soraMovieas Coffee Shop Manager
2002OlfactogramMovie2000The Whispered CityMovieas Shosuke