- Brittney Karbowski
- Â Rin Natsume 13 episodes, 2013
- Greg Ayres
- Â Masato Inohara 13 episodes, 2013
- Hikaru Midorikawa
- Â Natsume, Kyousuke 13 episodes, 2013
- Yui Horie
- Â Naoe, Riki 13 episodes, 2013
- Tomoe Tamiyasu
- Â Natsume, Rin 13 episodes, 2013
- Nobutoshi Canna
- Â Masato Inohara 13 episodes, 2013
- Blake Shepard
- Â Kyosuke Natsume 13 episodes, 2013
- Shannon Emerick
- Â Riki Naoe 13 episodes, 2013
- Katsuaki Arima
- Â Kengo Miyazawa 13 episodes, 2013
- Leraldo Anzaldua
- Â Kengo Miyazawa 12 episodes, 2013
- Tiffany Terrell
- Â Additional Voices / ... 11 episodes, 2013
- Natsumi Yanase
- Â Komari Kamikita 11 episodes, 2013
- Tia Lynn Ballard
- Â Komari Kamikita 10 episodes, 2013
- Allison L. Sumrall
- Â Additional Voices / ... 10 episodes, 2013
- Tiffany Grant
- Â Kudryavka Nomi / ... 9 episodes, 2013
- Krystal LaPorte
- Â Additional Voices / ... 9 episodes, 2013
- Carli Mosier
- Â Yuiko Kurugaya 9 episodes, 2013
- Naomi Wakabayashi
- Â Kudryavka Nomi 9 episodes, 2013
- Cara Duncan
- Â Additional Voices 9 episodes, 2013
- Keiko Suzuki
- Â Haruka Saigusa 9 episodes, 2013
- David Wald
- Â Additional Voices / ... 8 episodes, 2013
- Katelyn Barr
- Â Additional Voices 8 episodes, 2013
- Shiho Kawaragi
- Â Mio Nishizono 8 episodes, 2013
- Caitlynn French
- Â Mio Nishizono 8 episodes, 2013
- Margaret McDonald
- Â Haruka Saigusa 8 episodes, 2013
- Ryôko Tanaka
- Â Yuiko Kurugaya 8 episodes, 2013
- Connor Leach
- Â Additional Voices / ... 7 episodes, 2013
- Johnny DeLaCerda
- Â Additional Voices 6 episodes, 2013
- Chris Ayres
- Â Additional Voices 4 episodes, 2013
- Eimi Okada
- Â Radio Voice / ... 4 episodes, 2013
- Tomokazu Sugita
- Â Student A 3 episodes, 2013
- Yuu Kamonomiya
- Â Kyosuke Natsume (young) 3 episodes, 2013
- Kana Hanazawa
- Â Suginami 2 episodes, 2013
- Kôji Yusa
- Â Homeroom Teacher 2 episodes, 2013
- You Taichi
- Â Child C / ... 2 episodes, 2013
- Shinobu Matsumoto
- Â Assemblyman / ... 2 episodes, 2013
- Brent Marshall
- Â Additional Voices 2 episodes, 2013
- Megumi Han
- Â Kengo Miyazawa (young) 1 episode, 2013
- Yûsuke Kobayashi
- Â Student C 1 episode, 2013
- Kengo Kawanishi
- Â Student D 1 episode, 2013
- Saori Ônishi
- Â Child C 1 episode, 2013
- Yûsuke Shirai
- Â Student B 1 episode, 2013
- Junichi Yanagita
- Â Student C 1 episode, 2013
- Haruka Kudô
- Â Child A 1 episode, 2013
- Kôsuke Gotô
- Â Man C 1 episode, 2013
- Genki Muro
- Â Student B 1 episode, 2013
- Ryosuke Kanemoto
- Â Student E 1 episode, 2013
- Sôta Arai
- Â PE Teacher 1 episode, 2013
- Takamasa Mogi
- Â Student B 1 episode, 2013
- Atsushi Kosaka
- Â Student A 1 episode, 2013
- Yuko Iida
- Â Child B 1 episode, 2013
- Itaru Yamamoto
- Â Man A 1 episode, 2013
- Mitsuru Ogata
- Â Teacher 1 episode, 2013
- Ryôta Yano
- Â Man D 1 episode, 2013
- Nao Tamura
- Â Child 1 episode, 2013
- Madoka Shiga
- Â Man A 1 episode, 2013
- Mami Fujita
- Â Child B 1 episode, 2013
- Momoe Kishimoto
- Â Woman 1 episode, 2013
- Sachiko Okada
- Â Child A 1 episode, 2013
- Hironori Saitô
- Â Man B 1 episode, 2013
- Shiori Matsuda
- Â Kurugaya's Mother 1 episode, 2013
- Masashi Nogawa
- Â Man B 1 episode, 2013
- Rina Dendô
- Â Child E 1 episode, 2013
- Beth Lazarou
- Â Katsusawa 1 episode, 2013
- Noriko Aoki
- Â Katsuzawa 1 episode, 2013
