Singin' in the Rain Role 2003 (Star) 2008 (Cosmos) 2018 (Moon) Don LockwoodAran Kei Yamato Yuuga Tamaki Ryou Kathy Selden Hizuki Hana Hanakage Arisu † Misono Sakura Cosmo Brown Yamato Yuuga Ranju Tomu Miya Rurika Lina Lamont Matobu Sei Hokushou Kairi Kizuki Yuuma R.F. Simpson Hoshihara Misao Amou Tamaki Kouzuki Ruu Roscoe DexterBan Akira Nanaho Hikaru Ren Tsukasa Dora BaileyFuji Kyouko Suzuna Saya Itsumine Aki Zelda ZandersItsumine Aki Miwa Asahi Kanoha Toki Miss DinsmoreMari Yuzumi Oomi Ako Remi Kurea Olga MaraMari Yuzumi Maiki Ayumi Remi Kurea RodAsazono Miki Toki Irisu Harumi Yuu Diction CoachYuuho Satoru Houshou Dai Kashiro Aoi Sid PhillipsAyaka Rei Harukaze Misato Souma Seren NanetteAsamine Hikari Ayuse Mito Kousaki Ran Make-up Mistress Hiiro Moe Aihana Chisaki Akane Konatsu Costume MistressKosaki Hiyori Karin Moyuru PolicemanOoma Miran Nanami Hiroki Asahi Tsubasa Recording WomanMashiro Fuari Ayane Raira Hiumi Arisa Stage Hand (Willie) Ooma Miran Suzu Haruki Asagiri Makoto Stage Hand (Peter) Ginga Ami Mimaki Sakyou Sorashiro Yuu Stage Hand (Dan) Ayami Haya Miyabi Ouka Reika Haru Sound Engineer Taiga Mutsumi Houju Ichi Attendant Kanon Mai Himesaki Mirei Woman in the Green Dress Itsumine Aki Miwa Asahi Urara Senri † Due to Hizuki Hana's ongoing treatment for her injury, Hanakage Arisu filled in for the lead female role of Kathy.