Primary Characters
Thalassa Gilou
Tal Monteblanc

Secondary Characters
Thalassa Nephos Caliga
Thalassa Partasah
Thalassa Zefonith

Tethyns
Thalassa Alu
Anthemys Monteblanc
Balak
Euphausia Elaas Glory
Far Sight (Clipper)
H. Javin Aubergine
Haj Gellen
Jaeth Delrio
Jendolyn Basaday
Kere
Lightfoot (Twinkletoes)
Morisha Tholne
Rain
River Rhodes
Suze
Swift
Tangle
Twomoon (Jewel)
Security
Plutonia's Crew
Other Entomorphs

Offworlders
Alortan Bathurst
Faadiya Faraj
Iahutta the Flock
Jille Stelton
Leo Bressica
Perius Monteblanc
Rejene Ri'el
Tallifens Monteblanc
Ama Zaha

Mentioned Only
Tannic Bituah
Jethin Basaday
The Ukariel Family
Zar Palti

One-Shots
Anfre Sofi
Captain Ekkapi
Grigery
Mai
Peachblossom
Phaedin Heeli
Rinjin Halik