Masami Nagasawa ... Umi Matsuzaki (voice)
Jun'ichi Okada ... Shun Kazama / Yuichiro Sawamura (voice)
Keiko Takeshita ... Hana Matsuzaki (voice)
Yuriko Ishida ... Miki Hokuto (voice)
Rumi Hiiragi ... Sachiko Hirokoji (voice)
Jun Fubuki ... Ryoko Matsuzaki (voice)
Takashi Naito ... Yoshio Onodera (voice)
Shunsuke Kazama ... Shiro Mizunuma / Hiroshi Tachibana (voice)
Nao Omori ... Akio Kazama (voice)
Teruyuki Kagawa ... Tokumaru rijicho (voice)
Haruka Shiraishi ... Sora Matsuzaki (voice)
Tsubasa Kobayashi ... Riku Matsuzaki (voice)
Alex Wolff ... Riku Matsuzaki (voice)
Bridget Hoffman ... Yuko (voice)
Aoi Teshima ... Yuko (voice)

English Version:

Sarah Bolger ... Umi Matsuzaki (voice)
Gillian Anderson ... Hana Matsuzaki (voice)
Beau Bridges ... Chairman Tokumaru (voice)
Jamie Lee Curtis ... Ryoko Matsuzaki (voice)
Emily Bridges ... Tokumaru's assistant (voice)
Bruce Dern ... Yoshio Onodera (voice)
Ron Howard ... Philosophy Club President (voice)
Ronan Farrow ... World History Teacher (voice)
Isabelle Fuhrman ... Sora Matsuzaki (voice)
Christina Hendricks ... Miki Hokuto (voice)
Chris Noth ... Akio Kazama (voice)
Ayako Ito ... Tokumaru's Assistant (voice)
Raymond Ochoa ... Riku Matsuzaki (voice)
Emily Osment ... Nobuko Yokoyama (voice)
Aubrey Plaza ... Sachiko Hirokôji (voice)
Aoi Watanabe ... Young Umi (voice)
Charlie Saxton ... Shiro Mizunuma (voice)
Jake Steinfeld ... Fish Seller (voice)
Anton Yelchin ... Shun Kazama (voice)
Stephen Apostolina ... Additional Voices (voice)
Fumihiro Awano ... Additional Voices (voice)
Kirk Baily ... Additional Voices (voice)
Kenta Chabana ... Additional Voices (voice)
Yusuke Chiba ... Additional Voices (voice)
Robert Clotworthy ... Additional Voices (voice)
David Cowgill ... Additional Voices (voice)
Holly Dorff ... Additional Voices (voice) (as Holly Dorff Long)
Moosie Drier ... Additional Voices (voice)
Eddie Frierson ... Additional Voices (voice)
Kazuma Fuji ... Additional Voices (voice)
Kodai Fujigawa ... Additional Voices (voice)
Daisuke Fujita ... Additional Voices (voice)
Jackie Gonneau ... Additional Voices (voice)
Megumi Han ... Additional Voices (voice)
Daisuke Harada ... Additional Voices (voice)
Shunsuke Haseyama ... Additional Voices (voice)
Richard Steven Horvitz ... Additional Voices (voice) (as Richard Horvitz)
Keisuke Ishida ... Additional Voices (voice)
Hikaru Ishiguro ... Additional Voices (voice)
Yoshiaki Kameda ... Additional Voices (voice)
Hiroyuki Kamikawaji ... Additional Voices (voice)
Takashi Kamino ... Additional Voices (voice)
Ayaka Kanematsu ... Additional Voices (voice)
Ippei Kanie ... Additional Voices (voice)
Mitsuru Kato ... Additional Voices (voice)
Keisuke Kikuchi ... Additional Voices (voice)
Akira Kiyama ... Additional Voices (voice)
Masayuki Kizu ... Additional Voices (voice)
Taku Kunimatsu ... Additional Voices (voice)
Hope Levy ... Additional Voices (voice)
Issei Maeda ... Additional Voices (voice)
Yoshihiko Manabe ... Additional Voices (voice)
Yuko Masuoka ... Additional Voices (voice)
Katsuhisa Matsuo ... Additional Voices (voice)
Shinpei Midori ... Additional Voices (voice)
Edie Mirman ... Additional Voices (voice)
Tomomi Miyashita ... Additional Voices (voice)
Takashi Morooka ... Additional Voices (voice)
Yoshihiko Murayama ... Additional Voices (voice)
Hitoshi Nagao ... Additional Voices (voice)
Tye Nielsen ... Additional Voices (voice)
Nobito Nishioka ... Additional Voices (voice)
Hunter Rogers ... Additional Voices (voice)
Senjiro Sakai ... Additional Voices (voice)
Yuko Sakato ... Additional Voices (voice)
Shunsuke Sato ... Additional Voices (voice)
Shohei Shimada ... Additional Voices (voice)
Keigo Shimizu ... Additional Voices (voice)
Sachi Shimoike ... Additional Voices (voice)
Yoshinari Shirozen ... Additional Voices (voice)
Takayuki Sorita ... Additional Voices (voice)
Kazuki Souma ... Additional Voices (voice)
Warren Sroka ... Additional Voices (voice)
John Storey ... Additional Voices (voice) (as John C. Storey)
Daisuke Sugaya ... Additional Voices (voice)
Keiko Sugiura ... Additional Voices (voice)
Yoji Tachibana ... Additional Voices (voice)
Shintaro Takatsuka ... Additional Voices (voice)
Naoki Tamanoi ... Additional Voices (voice)
Hiroki Tanaka ... Additional Voices (voice)
Takahiro Terao ... Additional Voices (voice)
Byron Thames ... Additional Voices (voice)
Shinsuke Ueda ... Additional Voices (voice)
Madeleine Whittle ... Additional Voices (voice) (as Madeleine Elizabeth Whittle)
Tomonori Yanagibashi ... Additional Voices (voice)
Yoshihiko Yoshizawa ... Additional Voices (voice)
David Zyler ... Additional Voices (voice)