- TARAKO (Momoko 'Maruko' Sakura (voice))
- Yusaku Yara (Hiroshi Sakura (voice))
- Teiyu Ichiryusai (Sumire Sakura (voice))
- Yuko Mizutani (Sakiko Sakura (voice))
- Yuko Sasaki (Kotake Sakura (voice))
- Takeshi Aono (Tomozo Sakura (voice))
- Naoko Watanabe (Tamae Honami (voice))
- Masami Kikuchi (Kazuhiko Hanawa (voice))
- Nobuo Tobita (Sueo Maruo / Ichiro (voice))
- Keiko Yamamoto (Shota Yamada (voice))
- Megumi Urawa (Hiromi Maeda (voice))
- Ai Orikasa (Maruo's Mother (voice))
- Miki Narahashi (Hanako Migiwa (voice))
- Chafurin (Kimio Nagasawa (voice))
- Keaton Yamada (Narration (voice))
Chibi Maruko-chan — S1E6
Episode: With respect to the biologist, Kizanoro
Air Date: 1990-02-11
Runtime: 25 min