Serves as the Tactical Officer and Acting Captain of the Yamato.

The Yamato's Navigator and Kodai's best friend. They share a close bond.

Serves as the Chief of the Operations Division. She is Susumu Kodai's girlfriend and is deeply concerned for his safety.

Captain of the Andromeda. He pilots the Black Andromeda to come to the Yamato's rescue.

The supreme leader of Gatlantis. He presents Kodai with trials and choices while leading the invasion of Earth.

The supreme leader of the Great Gamilas Empire. He once nearly destroyed Earth with planet bombs, but Gamilas and Earth are now walking the path of peace. Dessler briefly sides with Gatlantis before ultimately joining Earth's side.

Serves as the Chief Science Officer and Executive Officer of the Yamato. He is always calm and collected, rarely showing anger.

Captain of the Wave Motion Experimental Ship Ginga. She is the only daughter of Commander Heikuro Todo.