| Seiyuu | Role |
| Yumiko Kobayashi | Kazuma Azuma |
| Shou Hayami | Meister Kirisaki |
| Fumihiko Tachiki | Yuuichi Kirisaki |
| Nana Mizuki | Sophie Balzac Kirisaki |
| Tomokazu Seki | Pierrot Bolneze (Episode 31 - 52, 69) |
| Atsuko Yuya | Yukino Azusagawa (Tsukino's older Sister) |
| Setsuji Satou | Kageto Kinoshita |
| Hiroki Touchi | Ken Matsushiro |
| Takehito Koyasu | Ryou Kuroyanagi |
| Marina Inoue | Shigeru Kanmuri |
| Jouji Nakata | Gran Kaiser (Episode 42 & 43) |
| Juurouta Kosugi | King of Monaco (41, 43, 48, 49, 52) |
| Tomoyuki Shimura | Aoyagi (Episode 61 & 62) |
| Rie Kugimiya | Monica Adenauer |
| Satoshi Hino | Masanobu Tsutsumi (Episode 61 & 62) |
| Makoto Ishii | Hiroshi Kaname (Episode 57 & 58) |
| Katsuhisa Houki | Don (Episode 36, 38, 39, 48, 49) |
| Kousuke Toriumi | Gou Chimatsuri (Episode 57 & 58) |
| Hikaru Midorikawa | Shizuto Narumi (Episode 57 & 58) |
| Katsuyuki Konishi | Carne (Episode 34, 48, 49) |
| Masako Katsuki | Maetel Leonhardt (Episode 51 & 52) |
| Chigusa Ikeda | Mizuno Azusagawa (Episode 11 - 17, 65, 66) |
| Hiroki Touchi | Narration |
| Takeshi Aono | Norihei Miki (Episode 63 & 64) |
| Michiko Neya | Sister Mako (Episode 23 - 25) |
| Mayumi Tanaka | Katsuo Umino (Episode 11, 12, 15, 18) |
| Yuichi Nagashima | Kazuma's Grandfather |
| Rie Saitou | Inaho Azuma (Kazuma's Sister) |
| Tessho Genda | Tsuyoshi Mokoyama (Episode 6, 7, 16, 17, 65, 66) |
| Mayumi Tanaka | Yuuko Motohashi (Episode 13 & 14) |
| Akemi Kanda | Heidi (Episode 17, 19 - 21) |
| Kouji Yusa | Edward Kaiser (Episode 30, 32 - 39, 42, 43) |
| Takanori Hoshino | Bob Kaiser (Episode 30, 32 - 39, 42, 43) |
| Masaaki Tsukada | Tsukino's Grandfather (Episode 3, 20, 27) |
| Kenyuu Horiuchi | Kid |
| Kenji Nojima | Takumi Tsubozuka (Episode 54, 55, 57) |
| Nobuyuki Hiyama | Tesshou Iwashiro (Episode 58) |
| Sayuri Sadaoka | Kazuma's Mother (Episode 1) |
| Motoko Kumai | Tom Crusoe (Episode 53) |
| Yuichi Nagashima | Tom's Father (Episode 53) |
| Masaki Terasoma | Kawachi's Father (Episode 8 & 47) |
| Yuu Sugimoto | Kyousuke Kawachi (as a child Episode 8 & 47) |
| Tomoko Kawakami | Princess Anne (Episode 31) |
| Mamiko Noto | Megumi Kimura (Episode 34) |
| Asuka Tanii | Hiromi Kawachi (Episode 3) |
| Daisuke Gouri | Ortiga (Episode 29) |
| Sakiko Tamagawa | Monica's Mother (Episode 45) |
| Ryoko Shiraishi | Kawachi's Sister (Episode 47) |
| Fumihiko Tachiki | St. Pierre's Owner (Episode 1) |