• 
  Hiroaki Hirata

   Boyacky (unknown episodes)
• 
  Nobuyuki Hiyama

   General Goroh
• 
  Hori

   Dokurobe
• 
  Riki Kitazawa

   Yatter Soldier / ...
• 
  Hiroyuki Yoshino

   Galina
• 
  Kenta Miyake

   Elephantus / ...
• 
  Chiaki Takahashi

   Oda sama
• 
  Eri Kitamura

   Doronjo / ...

• 
  Shizuka Itô

   Alouette
• 
  Kenji Takahashi

   Yatter Army Captain / ...
• 
  Atsushi Kosaka

   Commander G / ...
• 
  Masashi Yabe

  Whispering Reporter
• 
  Kouzou Mito

  Yatter Pug
• 
  Chinatsu Akasaki

  High School Girl
• 
  Ringo Ariga

  High School Girl

• 
  Yu Hayashi

  Kobayashi
• 
  Satoshi Hino

  Ryu
• 
  Hajime Iijima

  Doctor
• 
  Kobayashi Yu

  Takeshi
• 
  Mamiko Noto

  Mitchan
• 
  Mitsuo Iwata

  Sanpii