Captain Harlock – Voice: Eiji Takemoto ( jp ) / Steven Blum ( en )
This character is played by Eiji Takemoto. Captain Harlock is a slender and handsome man. He is the former best friend of Warrius Zero. He is young and energetic. He is the most wanted space pirate in the TV series. He resists to live under the rule of mechanized men.
Marina Oki – Voice: Aya Hisakawa ( jp ) / Lia Sargent ( en )
The character of Marina Oki is played by Aya Hisakawa. Marina Oki is the vice captain of the “Karyu” which is a fire dragon. She is a mechanized humanoid. She has learnt many battle techniques from the Defense Academy. she can live underwater. Later, she falls in love with Warrius Zero.
Captain Warrius Zero – Voice: Toshiyuki Morikawa ( jp )
The character of warrius zero is played by Toshiyuki Morikawa. Warrior Zero or Tsubasa was born to be a soccer player. With his cheerful and positive personality, he overcomes many hardships and enemy attacks.
Lady Emeraldas – Voice: Kikuko Inoue ( jp ) / Julie Thornton ( en )
Tochiro – Voice: Tomohiro Nishihara ( jp ) / Marvin Lee ( en )
Grenadier – Voice: Hidenari Ugaki ( jp ) / Tom Wyner ( en )
Battlizer – Voice: Yoshiaki Matsumoto ( jp ) / Kirk Thornton ( en )
Yattaran – Voice: Yoshiaki Matsumoto ( jp ) / Kirk Thornton ( en )
Axelater – Voice: Yoshikazu Nagano ( jp ) / Lex Lang ( en )
Silviana – Voice: Kaori ( jp ) / Mia Lee ( en )
Nohara – Voice: Kouhei Owada ( jp ) / Dave Mallow ( en )
Umihara – Voice: Nobuaki Sekine ( jp ) / Bob Papenbrook ( en )
Ishikura – Voice: Souichiro Hoshi ( jp ) / Terrence Stone ( en )
Rai – Voice: Tadashi Miyazawa ( jp ) / Michael Sorich ( en )
Dr. Machine – Voice: Takashi Matsuyama ( jp ) / Lex Lang ( en )
Phase Breaker – Voice: Yukinobu Kaneko ( jp ) / Lex Lang ( en )
Helmatier – Voice: Yuri Shiratori ( jp ) / Karen Strassman ( en )
Zess Voder – Voice: Zenichi Nagano ( jp ) / Michael McConnohie ( en )
Hence, the story revolves around the three main characters, Marina Oki, Warrius Zero and Captain Harlock. Marina Oki and Warrius Zero stick together and devise plans to capture Captain Harlock with the help of their battleship, Fire Dragon. Many enemies and deadly mutinies come across their way in capturing the space pirate and before they know it, they come across a conspiracy which could change the outlook of the whole situation. This TV series was translated in its English version with different casts and pure use of English language.