Human

Captain of the First Fleet that journeyed out into the Darkness. Killed by the Hive and rended into a weapon.
Golden Age Lieutenant who was stationed on Io at one poit.
Vex researcher at the Ishtar Collective. Several Vex simulations of him released into the Vex networks.
Vex researcher at the Ishtar Collective. Several Vex simulations of her released into the Vex networks. In a relationship with Chioma Esi. Later worked on the CHASM project that started the FWC.
Granddaughter of Clovis Bray I. Skilled engineer and Stasis wielder. Also known as the Exo Stranger. She has been trapped in a time loop ending in the fall of the Light.
Name unknown. Given Brilliance 3.2 which rendered him comatose followed by startling lucidity and death.
Physicist who detected the Traveler's arrival in Sol. Responsible for its name as well. Originally a member of Ares One she was killed in a freak "accident" shortly before the launch.
A volunteer of the CHASM project. Claims to have experienced his own death in it.
A military officer involved in the initial detection of the Traveler's arrival in Sol.