Main Characters Jacqueline "Jax" Zhou 23 main appearances Xander Duvall 23 main appearances Ralen Maht 23 main appearances Professor Donovan Osborn 23 main appearances Professor Martin Shral 16 main appearances Atria Nine 13 main appearances Delaney Pilar 13 main appearances Thomas James Ross 13 main appearances Tierney 7 main appearances Regan Fried 10 main appearances Jett Annamali 9 main appearances Matta Ral 4 main appearances Zazie Nichols 9 main appearances Younger Harlan Fried 4 main appearances Greg Li 3 main appearances Professor Ellison Pevney 6 main appearances Admiral Meredith Lucas 7 main appearances Eve Zhou 3 main appearances Leone Vokk 1 main appearances
Recurring Guest Characters Commodore Senesky 1 guest appearances Young Thomas 1 guest appearances Nelson Fisk 1 guest appearances Elena Liu 1 guest appearances Academy Librarian 1 guest appearances Prescott Fleming 1 guest appearances Maya Fleming 1 guest appearances Captain Beth Grant 1 guest appearances Marcus Taylor 1 guest appearances Devlin 1 guest appearances Captain Uzi 1 guest appearances Pandora 1 guest appearances Berman Livingston 1 guest appearances Rosa Ross 1 guest appearances Phobus 1 guest appearances Colony Leader 1 guest appearances Jennifer Clarke 1 guest appearances Tryla 1 guest appearances Young Osborn 1 guest appearances Young Shral 1 guest appearances ⇤ « 1 2 3 4 » ⇥