- Hideaki Itô
- Yoki Iida
- Masami Nagasawa
- Naoki Ishii
- Shôta Sometani
- Yuki Hirano
- Nana Seino
- Reina Takahashi
- Yûki Furukawa
- Shoji Hasegawa
- Ken Aoki
- Chikara Naito
- Akira Emoto
- Toshiro Yamane
- Yôji Tanaka
- Instructor B
- Yûka
- Miki Iida
- Ken Mitsuishi
- Seiichi Nakamura
- Naomi Nishida
- Yuko Nakamura
- Mao Asou
- (as Mao Asô)
- Makita Sports
- Iwao Tanabe
- Yuriko Hirooka
- Yuki Hirano's Mom
- Yoshimasa Kondô
- Forestry Association Director
- Shunpei Kawagoishi
- Shimizu
- Masashi Arifuku
- Saburo Oyama
- Daikichi Sugawara
- Yuki Hirano's Dad
