UFO Robot Grendizer

The story revolves around Duke Fleed who is a survivor of the Vega Star, raised by Dr. Umon as his adoptive son, and known as Daisuke Umon on Earth. Years after his arrival, he's faced with the threat of King Vega and his army, who want to conquer the Earth. With his friends Koji and Hikaru (and later his kid sister Maria Grace), Duke decides to fight back using his best weapon, the almighty Grendizer.

• 
  Kei Tomiyama

  Duke Fleed / Daisuke Umon (voice)
• 
  Hiroya Ishimaru

  Koji Kabuto (voice)
• 
  Joji Yanami

  Genzo Umon / Great King Vega (voice)
• 
  Chiyoko Kawashima

  Hikaru Makiba (voice)
• 
  Kosei Tomita

  Danbei Makiba / General Gandal / Nuke / Whiter (voice)
• 
  Kazuko Sawada

  Goro Makiba / Lady Gandal (voice)
• 
  Rihoko Yoshida

  Grace Maria Fleed / Commander Marine (voice)
• 
  Banjo Ginga

  Science Minister Zuril (voice)
• 
  Kenichi Ogata

  Blaki / Bunta Arano (voice)
• 
  Keaton Yamada

  Akira Hayashi (voice)