Ryuichi Kijima
Lenka Utsugi (voice) (13 eps)
Hiroaki Hirata
Rindou Amamiya (voice) (13 eps)
Kazuya Nakai
Soma Schiksal (voice) (13 eps)
Sayaka Ohara
Sakuya Tachibana (voice) (13 eps)
Daisuke Sakaguchi
Kouta Fujiki (voice) (13 eps)
Maaya Sakamoto
Alisa Ilyinichna Omela (voice) (13 eps)
Rikiya Koyama
Johannes von Schicksal (voice) (12 eps)
Taiten Kusunoki
Dr. Paylor Sakaki (voice) (12 eps)
Atsuko Tanaka
Tsubaki Amamiya (voice) (11 eps)
Rica Fukami
Aisha Gauche (voice) (9 eps)
Kanae Ito
Hibari Takeda (voice) (9 eps)
Chiaki Omigawa
Licca Kusunoki (voice) (5 eps)
Tomohisa Aso
Daigo Oguruma (voice) (5 eps)
Takahiro Fujimoto
Eric der Vogelweid (voice) (2 eps)
Kenji Yanagisawa
India Branch Director (voice) (1 eps)
Toru Sakurai
Russia Branch Director (voice) (1 eps)
Umeka Shouji
Kouta's Mother (voice) (1 eps)
Daisuke Egawa
Alisa's Father (voice) (1 eps)
Sachiko Kojima
Alisa's Mother (voice) (1 eps)
Ai Kakuma
Iroha Utsugi (voice) (1 eps)
Shiho Nakakuma
Lenka Utsugi (Young) (voice) (1 eps)
Shintaro Asanuma
Lenka's Father (voice) (1 eps)