• 
  Kazuhiko Inoue

  Dr. Utsugi (voice)
• 
  Unshô Ishizuka

  Narrator (voice)
• 
  Mika Kanai

  Bayleef (voice)
• 
  Chinami Nishimura

  Waninoko (voice)
• 
  Miyako Ito

  Yogiras (voice)
• 
  Yûko Satô

  Sen'ichi (voice)
• 
  Yuuko Satou

  Sen'ichi (voice) (as Yûko Satô)
• 
  Megumi Hayashibara

  Musashi (voice)

• 
  Inuko Inuyama

  Nyarth (voice)
• 
  Mayumi Iizuka

  Kasumi (voice) (as Mayumi Iizuka)
• 
  Satomi Koorogi

  Togepi (voice)
• 
  Rica Matsumoto

  Satoshi (voice)
• 
  Shinichirô Miki

  Kojiro (voice)
• 
  Kôichi Sakaguchi

  Arbok (voice)
• 
  Yûji Ueda

  Takeshi (voice)

• 
  Ikue Ootani

  Pikachu (voice)