"A prequel to the 2013 Kyoto Animation series Free! which is an adaptation of light novel High☆Speed!"
Koki Uchiyama
as Ikuya Kirishima (voice)
Nobunaga Shimazaki
as Haruka Nanase (voice)
Tatsuhisa Suzuki
as Makoto Tachibana (voice)
Satomi Sato
as Nagisa Hazuki (voice)
Kenji Nojima
as Natsuya Kirishima (voice)
Mamoru Miyano
as Rin Matsuoka (voice)
Yoko Hikasa
as Rei Ryuugazaki (voice)
Chihiro Suzuki
as Kisumi Shigino (voice)
Aoi Yuuki
as Sousuke Yamazaki (voice)
Satoshi Hino
as Nao Serizawa (voice)
Toshiyuki Toyonaga
as Asahi Shiina (voice)
Maiko Nishioka
Screenplay
Tatsuya Kato
Original Music Composer
Shinichiro Hatta
Producer
Kengo Shigemura
Editor
Shigeru Saito
Music Producer
Akihiro Ura
Assistant Director of Photography
Yuji Shibata
3D Director
Seiichi Akitake
Prop Designer
Futoshi Nishiya
Character Designer
Supervising Animation Director
Yoko Hatta
Executive Producer
Yoko Kogawa
Shunji Inoue
Shinichi Nakamura
Masayuki Nishide
Susumu Okinaka
Animation Director
Yasuhiro Takemoto
Second Unit Director
Taichi Ishidate
Taichi Ogawa
Haruka Fujita
Takuya Yamamura
Key Animation
Noriyuki Kitanohara
Eisaku Kawanami
Chiyoko Ueno
Nobuaki Maruki
Rie Sezaki
Yuki Tsunoda
Kohei Okamura
Yuko Myouken
Miku Kadowaki
Shouko Ikeda
Yoshiji Kigami
Hiroyuki Takahashi
Yoshinori Urata
Hiroshi Karata
Fumie Okano
Kunihiro Hane
Shinpei Sawa
Nami Iwasaki
Tomoko Yoshimura
Tatsunari Maruko
Sana Suzuki
Akiko Takase
Kota Sato
Mariko Takahashi
Ryouhei Muta
Tatsuya Satou
Kayo Hikiyama
Minoru Ota
Chinatsu Morimoto
Maiko Hado
Seiya Kumano
Taira Yamaguchi
Kanae Okura
Hidehiro Asama
Ayaka Nagahama
Naoya Nakayama
Ryosuke Shirakawa
Ami Kuriki
Sae Sawada
Ryo Miyaki
Shiho Morisaki
Aoi Okuno
Miho Kitaji
Sayaka Watanabe
Chiharu Kuroda
Saeko Fujita
Saeko Oofuji
Kazumi Ikeda
Tadashi Kashiwagi
Kyohei Ando
Keita Nagahara
Yurika Ono
Naoki Hosokawa
Background Designer
Mutsuo Shinohara
Shingo Kasai
Tomoki Hiraishi
Aki Yamatogi
Momoka Hase
Toru Hasegawa
Sayaka Ichiyama
Shouko Ochiai
Tatsuro Onishi
Mayumi Noguchi
Ryoko Yamada
Miyuki Hiratoko
Ikuko Tamine
Nozomi Oishi
Yukiko Takeuchi
Sagako Itakura
Ayami Hidaka
Marie Kitai
Kouji Maruyama
Etsuko Abe
Ayano Kato
Shinsuke Kinoshita
Yuka Murakami
Masakazu Koyama
So Senoo
Tomoe Chiga
Lee Cheon-bok
Tomofumi Sugitani
Lee Mi-jin
Kim Ji-hee
Park Jung-ah
Minami Kasuga
Daiki Kuribayashi
Saki Arakawa
Sin So-yeon
Eiko Morikawa
Sound Effects
Ryuta Nakagami
3D Animator
Rin Yamamoto
Norihiro Tomiita
Tetsuo Umetsu
Kohei Funamoto
Compositing Artist
Hiroki Ueda
Teru Matsumoto
Yoshiko Tanaka
Joji Unoguchi
Art Direction
Sachie Tsuda
Special Effects
Storyboard Artist
Satoshi Yano
Sound Recordist
Yota Tsuruoka
Sound Director
Koji Oji
Original Story
Kazuya Takao
Director of Photography
Yuka Yoneda
Color Designer
Masahiro Yokotani
Series Composition
Director
Keisuke Yokota
Production Manager
Areum Han
Kanna Nakata
Takahisa Fujita
Yotaro Sato
Ryoji Ogawa
Saki Yasuda