Full cast of Sonny Boy

Aoi Ichikawa

Nagara / Nagara (voice)

24 episodes

Saori Onishi

Nozomi / Nozomi (voice)

24 episodes

Aoi Yuuki

Mizuho / Mizuho (voice) / Mizuho / Sakura (voice)

24 episodes

Hana Sato

Pony / Pony (voice) / Student (voice) / Tora (voice) / Mizuho's Grandma (voice)

23 episodes

Chiaki Kobayashi

Asakaze / Asakaze (voice)

22 episodes

Hiroki Goto

Rajdhani / Rajdhani (voice) / Rajdhani / Gen (voice) / Student (voice)

22 episodes

Ami Naito

Hoshi / Hoshi (voice)

20 episodes

Yoji Ueda

Cap / Cap (voice)

19 episodes

Shota Yamamoto

Hayato / Hayato (voice)

19 episodes

Toru Okawa

The Principal / Voice (voice)

15 episodes

Kana Ogino

Shanghai / Shanghai (voice)

15 episodes

Ai Kakuma

Aki-sensei / Ms. Aki (voice) / Tsubame (voice)

15 episodes

Yuki Sakakihara

Tazawa / Tazawa (voice)

14 episodes

Takuya Nakashima

Susugashira / Kaga (voice)

13 episodes

Shinnosuke Ogami

Okujiri / Okushiri (voice)

13 episodes

Kenjiro Tsuda

Yamabiko

12 episodes

Yuka Ozaki

Kosetsu

12 episodes

Ayana Taketatsu

Kodama

12 episodes

Koji Yusa

War

12 episodes

Taiki Matsuno

Futatsuboshi

12 episodes

Makoto Furukawa

Sou Seiji

12 episodes

Bin Shimada

Tora

12 episodes

Rie Hikisaka

Hime

12 episodes

Yoshiaki Hasegawa

Komori

12 episodes

Mie Sonozaki

President

12 episodes

Yuji Murai

Daiya (voice) / Ace (voice)

5 episodes

Megumi Satou

Kii (voice) / Aya (voice)

4 episodes

Tatsumaru Tachibana

Asama (voice) / Sata (voice)

4 episodes

Ryota Asari

Shiiba (voice) / Homeroom Teacher (voice)

3 episodes

Aiko Ninomiya

Noto (voice)

2 episodes

Satoru Ito

Inuyama (voice)

1 episode

Ryouta Honbou

Mutsu (voice)

1 episode

Chiharu Sawashiro

Murayama (voice)

1 episode

Narufumi Machimoto

Kuji (voice)

1 episode

Shinya Hamazoe

Blue (voice)

1 episode