| english title | Ryu the Primitive Boy |
| original title | 原始少年 リュウ |
| aka | Genshi Shonen Ryu |
| french title | Nolan |
| year | 1971 |
| country | Japan |
| director | ARAKI Shingo | |
| composer | WATANABE Takeo | |
| scriptwriter | KINTOO Tadashi | |
| character designer | KOMATSUBARA Kazuo | |
| original story | ISHINOMORI Shotaro |
| genres | adventure |
| duration | 22 épisodes |
| production studio | Toei Animation |
