Juvenile

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.

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  Shingo Katori

  Soichiro Kanzaki
• 
  Miki Sakai

  Noriko Kinoshita
• 
  Anne Suzuki

  Misaki Kinoshita
• 
  Yuya Endo

  Yusuke Sakamoto
• 
  Katsumi Takahashi

  Yusuke's Father
• 
  Kuniko Asagi

  Yusuke's Mother
• 
  Kinzō Sakura
• 
  Takashi Matsuo

  Misawa
• 
  Megumi Hayashibara

  Female Researcher / Voice of Tetra
• 
  Kazue Tsunogae

  Snack Shop Lady