| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Akira Miyazaki | Crew | Writing | Scenario Writer | 49 |
 Mark Twain | Crew | Writing | Novel | 49 |
 Tadahiko Isomi | Crew | Writing | Scenario Writer | 49 |
 Tai Katō | Crew | Writing | Scenario Writer | 49 |
 Yoshiyuki Momose | Crew | Visual Effects | Animation | 1 |
Hiroshi Saito | Crew | Art | Storyboard Artist, Creator | 1 |
Shogo Ota | Crew | Writing | Scenario Writer | 49 |
Yoshiro Tomita | Crew | Writing | Scenario Writer | 49 |
Mei Kato | Crew | Writing | Writer | 1 |
Sadahiko Sakamaki | Crew | Visual Effects | Animation | 1 |
Hirokazu Ishino | Crew | Visual Effects | Animation | 1 |
Yoshishige Kosako | Crew | Visual Effects | Animation Director, Animation | 1 |
Kazuo Takematsu | Crew | Visual Effects | Animation | 1 |
Yoshitaka Ushirogami | Crew | Visual Effects | Animation | 1 |
 Atsuko Mine | Cast | Actress | (voice) | 49 |
 Bin Shimada | Cast | Actor | (voice) | 49 |
Eiji Kanie | Cast | Actor | (voice) | 49 |
 Eken Mine | Cast | Actor | (voice) | 49 |
Haru Endō | Cast | Actress | Mrs. Boly (voice) | 49 |
Ichirô Murakoshi | Cast | Actor | Father (voice) | 49 |
 Ichiro Nagai | Cast | Actor | Prof. Dobbins (voice) | 49 |
 Issei Futamata | Cast | Actor | (voice) | 49 |
Kaoru Kurosu | Cast | Actress | Emmy (voice) | 49 |
Kaoru Ozawa | Cast | Actor | Mary (voice) | 49 |
 Kazuhiko Inoue | Cast | Actor | Joe Harper (voice) | 49 |
 Kazuyo Aoki | Cast | Actress | Huckleberry Finn (voice) | 49 |
 Keiko Han | Cast | Actress | Becky Thatcher (voice) | 49 |
 Masako Nozawa | Cast | Actress | Tom Sawyer (voice) | 49 |
 Minoru Yada | Cast | Actor | Silas (voice) | 49 |
 Naoki Tatsuta | Cast | Actor | Billy (voice) | 49 |
Natsuko Kawaji | Cast | Actress | Sally (voice) | 49 |
Sumiko Shirakawa | Cast | Actress | Sid Sawyer (voice) | 49 |
 Yoshiko Matsuo | Cast | Actress | Benny (voice) | 49 |
 Ikuo Nishikawa | Cast | Actor | Jim Hollis (voice) | 49 |
 Chiyoko Kawashima | Cast | Actress | (voice) | 49 |
| Person | Type | Job | Role(s) | Episodes |
