Ashton Mccausland was the captain of the Nebulon-B Frigate Sparta, when it was disabled by the rebels at the battle of the Niyrius system.
Ephrem Frystak was an imperial cadet that got kicked out of the academy for being Absent-minded. He then joined the Ancillary corp and became a notorious Waiter, attending important events and serving important people, like Grand Moff Leonis and Cie during the Episode 8: The Galactic Race.
Alexandros Haff is one of the two loyal bodyguards of the rebel Commander Fitz Gorr.
Juno Eclipse was a Human female officer and pilot in the Alliance to Restore the Republic. Prior to her service in the Alliance Fleet, Eclipse served in the naval forces of the Galactic Empire. A graduate of the Imperial Academy on Corulag, her homeworld, she ultimately attained the rank of Captain after making a name for herself as an exceptionally skilled TIE pilot.