| Kurata Sana | Oda Shizue |
| Hayama Akito | Nakazaki Tatsuya |
| Matsui Fuuka | Ikoma Harumi |
| Kurata Misako (Sana's Mother) | Kino Hana |
| Sagami Rei | Naitou Ryou |
| Shimura Chiyo | Amano Keiko |
| Kamura Naozumi | Minami Omi |
| Hayama Fuyuki (Hayama Akito and Natsumi's Father) | Matsuyama Takashi |
| Hayama Natsumi | Okamura Akemi |
| Ooki Tsuyoshi/Sasaki Tsuyoshi | Misawa Mayumi |
| Ooki Aono/Sasaki Aono | Matsumoto Miwa |
| Sugita Aya | Kikuchi Akiko |
| Kumagae Hisae | Kikuchi Yumiko |
| Suzuki Mami | Nakao Azusa |
| Gomi Shinichi | Hirota Masanobu |
| 伊丹壯十郎 | Amano Keiko |
| 安田幸弘 [1] | Nishimori Mizue |
| 安田幸弘 [2] | Takeuchi Junko |
| 小島正平 [1] (ep.5.12) | Ishikawa Masaaki |
| 小島正平 [2] | Matsumoto Yoshiaki |
| Zenjirou | Zenjirou |
| Kurumi Asako | Nakao Azusa |
| Onda Takezou [1] (ep.1) | Ishikawa Masaaki |
| Onda Takezou [2] | Mori Norihisa |
| Narunaru Principal | Chafuurin |
| Andou-sensei | Satou Ai |
| Susie | Iwata Mitsuo |
| Mitsuya-sensei | Nakao Azusa |
| Tanaka-sensei | Iwata Mitsuo |
| 粕谷良太 | Matsumoto Yoshiaki |
| 粕谷良太 [Replacement Voice] (ep.7) | Ishikawa Masaaki |
| 小沢 Eri | Nishimori Mizue |
| Kashima Ryousuke (Misako's Former Husband) | Tsuda Kenjirou |
| Ono Mikio/Ono-kantoku | Matsuyama Takashi |
| Nakao Shouta | Konishi Hiroko |
| Sakai Keiko (Sana's Birth Mother) | Doi Mika |
| Sakai Mariko (Sana's Younger Half-Sister) | Saitou Ayaka |
| Babbit [Seiyuu also credited under the name TOMO] | Hikita Tomoko |
| Babbit [Replacement voice] | Akado Mayumi |
| Higashiyamato Sanuhichi (Zenjirou's Manager) | Daichi Akitarou |
| Uchiyamada-kun | Ishii Naoko |
| Obana Miho | Kobayashi Noriko |
| Kurata Shizuka (Misako's Mother) (ep.29,36) | Kyouda Hisako |
| Katagiri 三造 (ep.29,36) | Shocker OH!NO! |
| Kurata 吉蔵 (Misako's Father) [1] | Nakano Yutaka |
| Kurata 吉蔵 (Misako's Father) [2] | Maruyama Eiji |
| 鳥山 昇 (ep.29,36) | Okamura Akemi |
| Tobita Mayu | Asou Kaori |
| Ayanohanamarukouji Tomomi | Nishimura Tomomi |
| Tsu | Bandou Naoki |
| Tarantaaru-kantoku | Bandou Naoki |
| Special Guest (ep.1) | Matsuoka Masahiro (TOKIO) |
| Producer | Kikuchi Yumiko |
| Director | Nagano Yoshikazu |
| 岡嶋 | Ishikawa Masaaki |
| Drama Mother (ep.6-7,20) | Doi Mika |
| Director | Ishikawa Masaaki |
| AD | Kikuchi Yumiko |
| CM Oyaji (ep.7) | Yashima Norito |
| Rumi (ep.8) | Amano Keiko |
| Kurumi Asako's Manager (ep.8) | Yashima Norito |
| Male (ep.8) | Hirota Masanobu |
| Male (ep.8) | Matsumoto Yoshiaki |
| Pupil | Nishimori Mizue |
| Shop Assistant | Nishimori Mizue |
| Uchiyamada's Mother (ep.11) | Amano Keiko |
| Physician | Mori Norihisa |
| Director | Matsumoto Yoshiaki |
| Sasaki (Ooki) Tsuyoshi and Aono's Mother | Ishii Naoko |
| Sasaki (Ooki) Tsuyoshi and Aono's Father | Nakano Yutaka |
| Kamura's Manager | Bandou Naoki |
| Child Actor | Nishimori Mizue |
| Actor playing Tom (ep.16) | Amano Keiko |
| Caster | Mori Norihisa |
| Reporter | Bandou Naoki |
| Kamura Academy Principal | Satou Ai |
| Kouji (ep.21) | Nagasawa Miki |
| Ayumi | Ishii Naoko |
| 唯 (ep.21) | Nakagawa Akiko |
| 美佳 | Kikuchi Shiho |
| Atsushi | Tsumura Makoto |
| 師範代 | Bandou Naoki |
| Sakai (Mariko's Father) | Yanaka Hiroshi |
| Suke-san (ep.23) | Bandou Naoki |
| Actor (ep.23) | Matsumoto Yoshiaki |
| Tree Person (ep.23) | Daichi Akitarou |
| コーモン | Daichi Akitarou |
| Veterinarian (ep.25) | Shocker OH!NO! |
| Company Director (ep.27) | Sawaki Ikuya |
| Company Director's Private Secretary (ep.27) | Nagasawa Miki |
| Director (ep.27) | Bandou Naoki |
| Koroshiya Shinichi (ep.27) | Watanabe Shinichi |
| 大地詩織 | Araki Kae |
| Hayama Koharu (Hayama Akito and Natsumi's Mother) | Minami Omi |
| Person selling Roasted Sweet Potatoes (ep.28) | Bandou Naoki |
| Kimuchi Takuya | Ueda Yuuji |
| Kurosaki 利三 | Uchida Naoya |
| Director (ep.30) | Bandou Naoki |
| Assistant Director | Matsumoto Yoshiaki |
| Kurosaki 祥子 | Minami Omi |
| Editor-in-chief (ep.31) | Bandou Naoki |
| Kurosaki 達也 | Matsuura Yukiko |
| Male | Nishimori Mizue |
| Tobita Mayu's Mama | Ishii Naoko |
| 国定 | Tahara Aruno |
| のら犬 | Mori Norihisa |
| Obaba (ep.39) | Amano Keiko |
| Sanagosaurus | Ishii Naoko |
| 阿久戸以蔵 | Yanaka Hiroshi |
| 大河内 | Sakurai Toshiharu |
| Kuma-san | Daichi Akitarou |
| Gojou Takeshi | Takahashi Hiroshi |
| 夢園又太 | Matsuno Taiki |
| Director | Yokoo Hiroyuki |
| Editor-in-chief | Yokoo Hiroyuki |
| Rumiko | Kikuchi Yumiko |
| Oono Shiori [1] | Nakazawa Harumi |
| 森田照美 | Izumi Azusa |
| Gomi's Mother | Ono Miyuki |
| Director | Yokoo Hiroyuki |
| Middle School Pupil | Matsumoto Yoshiaki |
| Yamazaki | Yokoo Hiroyuki |
| Watanabe Moja Otoko (ep.44) | Watanabe Shinichi |
| Waiter | Matsumoto Yoshiaki |
| Organisation Department Vice-Director | Bandou Naoki |
| Female Nurse | Watanabe Mika |
| 権田 | Ookawa Tooru |
| Yatsugatake no Ojisan | Ookawa Tooru |
| Villager (ep.50) | Bandou Naoki |
| カマ本 | Matsumoto Yoshiaki |
| Reporter | Matsumoto Yoshiaki |
| Ishida | Okamura Akemi |
| Narunaru Older-Brother Principal | Chafuurin |
| Suzuki-sensei | Bandou Naoki |
| Pupil | Uchida Izumi |
| Pupil | Oono Masako |
| Pupil | Honda Chiaki |
| Samba Timekeeper | Daichi Akitarou |
| Shinohara Tomoe (Special Guest) (ep.52) | Shinohara Tomoe |
| 千石-sensei | Nakamura Daiki |
| Male Child | Ishii Naoko |
| Male Child | Nishimori Mizue |
| Female Child | Kikuchi Yumiko |
| 川合貴光 | Tsuda Kenjirou |
| Maeda-san (Kamura Naozumi's Manager) | Bandou Naoki |
| 君恵 | Nagasawa Miki |
| 芳美 | Uchida Izumi |
| 優奈 | Hagiwara Emiko |
| 久美 | Minami Omi |
| 高石 | Nagasawa Naomi |
| 志津 (ep.57,102) | Araki Kae |
| Yuri (ep.57) | Hitomi |
| 真子 (ep.57) | Nakagawa Akiko |
| 木下 (ep.57) | Nishimori Mizue |
| 前田 (ep.57) | Takeuchi Junko |
| 板前 (ep.57) | Daichi Akitarou |
| Watanabe (ep.57) | Watanabe Shinichi |
| English Teacher | Kikuchi Shiho |
| Head of Department/Club (ep.63) | Higashi Saori |
| Pupil (ep.63) | Amano Keiko |
| Hygiene Teacher | Ishii Naoko |
| Michelle Hamilton | Sakakibara Yoshiko |
| Brad | Nakazaki Tatsuya |
| Makubagyaban | Nakano Yutaka |
| Ramushii | Amano Keiko |
| Stewardess | Nishimori Mizue |
| Cicil Hamilton | Koorogi Satomi |
| Physician (ep.68) | Nakamura Daiki |
| Butler (ep.68) | Nagano Kouichi |
| Rick | Ebara Masashi |
| Scott | Naitou Ryou |
| Geirii Hamilton | Mugihito |
| Baanadetto (Baanii) | Ebara Masashi |
| Yuuko Mizuguchi | Amano Yuri |
| Private Secretary (ep.74) | Nakao Azusa |
| Police Officer (ep.75) | Nakamura Daiki |
| Police Detective (ep.75) | Bandou Naoki |
| Fire Fighter (ep.75) | Matsumoto Yoshiaki |
| Girl (ep.75) | Matamura Naomi |
| Taxi Driver | Daichi Akitarou |
| Mother | Amano Keiko |
| 尾崎 Riho | Iwatsubo Rie |
| 小花 妹 | Amano Keiko |
| Matsui Fuuka's Father | Nakano Yutaka |
| Matsui Fuuka's Mother | Kouno Keiko |
| Kisaragi Chris (ep.84) | Takenouchi Minako |
| 小早川 | Matsuyama Takashi |
| 溝口 | Kashiwakura Tsutomu |
| 真治 | Iwatsubo Rie |
| 沖 | Kiuchi Hidenobu |
| AD | Matsumoto Yoshiaki |
| Vice Principal [1] | Nakano Yutaka |
| Rider (ep.87) | Sugimoto Yuu |
| Publishing Editor | Matsumoto Yoshiaki |
| 横田 Rumiko | Okada Junko |
| Meka Hayamada | Minami Omi |
| 向坂 | Matsumoto Yoshiaki |
| Ojisan | Daichi Akitarou |
| 千歳 | Iwatsubo Rie |
| 神主 | Seta Ikkei |
| 小牧 | Kashiwakura Tsutomu |
| 小僧 | Iwatsubo Rie |
| 枯薄原 | Seta Ikkei |
| Cameraman | Matsuyama Takashi |
| 羽田 | Amano Keiko |
| Oono Shiori [2] (ep.93) | Taguchi Hitomi |
| 森田照美 | Hirota Mayako |
| Office Chief | Kiuchi Hidenobu |
| Producer | Matsumoto Yoshiaki |
| Chairperson | Seta Ikkei |
| Obasan | Okohira Shizuka |
| Obasan | Amano Keiko |
| 木下 | Iwatsubo Rie |
| Maeda (ep.95) | Hitomi |
| 木下さん | Matsumoto Yoshiaki |
| Producer | Matsuyama Takashi |
| Reporter | Takemoto Eiji |
| 美代子 (ep.97) | Shou Mayumi |
| 誠 (ep.97) | Sugimoto Yuu |
| 光一 | Amano Keiko |
| 真吾 | Matsumoto Yoshiaki |
| 西川 | Kashiwakura Tsutomu |
| Hinako-chan | Saeki Hinako |
| Reporter | Takemoto Eiji |
| Announcer (ep.98) | Kouno Keiko |
| Female Child (ep.98) | Yuasa Kaori |
| Female Child (ep.98) | Matsumoto Miwa |
| Daichi | Daichi Akitarou |
| Vice Principal [2] | Matsuyama Takashi |
| Nakao Shouta's Father | Matsuyama Takashi |
| Nakao Shouta's Mother | Iwatsubo Rie |
| 智也 | Tsuda Kenjirou |
| White Dolphin (ep.102) | Konishi Hiroko |
| <UNCREDITED ROLE> (Reporter at press conference) (ep.55) | Chafuurin |
