Juvenile
Juvenile2000
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11-year-old Yusuke and his classmates camp in the woods and see a strange light. They discover a small metallic object like a robot which talks, calls himself Tetra and knows Yusuke's name. Tetra can create wonderful gadgets but actually has to save the world with Yusuke's help from extraterrestrials with bad intentions.
| Actor | Role |
|---|---|
 Shingo KatoriSoichiro Kanzaki | Soichiro Kanzaki |
 Miki SakaiNoriko Kinoshita | Noriko Kinoshita |
 Anne SuzukiMisaki Kinoshita | Misaki Kinoshita |
 Yuya EndoYusuke Sakamoto | Yusuke Sakamoto |
| KKyôtaro ShimizuHidetaka Ono | Hidetaka Ono |
| YYukiToshiya Matsuoka | Toshiya Matsuoka |
 Katsumi TakahashiYusuke's Father | Yusuke's Father |
 Kuniko AsagiYusuke's Mother | Yusuke's Mother |
 Kinzō SakuraNot listed | Not listed |
 Takashi MatsuoMisawa | Misawa |
 Megumi HayashibaraFemale Researcher / Voice of Tetra | Female Researcher / Voice of Tetra |
 Kazue TsunogaeSnack Shop Lady | Snack Shop Lady |
| KKenji MotomiyaMan | Man |
| AAdam ChrnyAgent B | Agent B |
 Tamaki OgawaMisaki Kinoshita, 20 years later | Misaki Kinoshita, 20 years later |
 Isao TakenoByoid (voice) | Byoid (voice) |
| JJerald K. TorfersonAgent A | Agent A |
 Hidetaka YoshiokaYusuke Sakamoto, 20 years later | Yusuke Sakamoto, 20 years later |
 Koh TakasugiToshiya Matsuoka, 20 years later | Toshiya Matsuoka, 20 years later |
 Jay KabiraHidetaka Ono, 20 years later | Hidetaka Ono, 20 years later |