Master Chief
Admiral Margaret Parangosky (credit only)
Riz-028 (credit only)
Dr. Miranda Keyes (credit only)
Kwan Ha
Vannak-134 (credit only)
Kai-125 (credit only)
Makee (credit only)
Captain Jacob Keyes (credit only)
Cortana (voice) (credit only)
Soren-066
Dr. Catherine Halsey (credit only)
Vinsher Grath
Laera
Reth
Jin Ha (as Jung Hwan Gong)
Malchin
Agatha Terne
Soojin Ha
Raphael Bivas
Young Father (as J. Sebastian Lee)
Professor
Ruben
Filip
Daranka
Squirrel
Trokan
Kessler
Desiderata (as Josettesimon-93556)
Pete
Man at the Well
Village Elder (uncredited)