Main Characters Cortana 20 main appearances Master Chief / John-117 17 main appearances Makee 16 main appearances Dr. Catherine Halsey 15 main appearances Soren-066 15 main appearances Admiral Margaret Parangosky 15 main appearances Kai-125 15 main appearances Kwan Ha 14 main appearances Dr. Miranda Keyes 14 main appearances Vannak-134 13 main appearances Riz-028 13 main appearances Captain Jacob Keyes 13 main appearances Laera 10 main appearances Kessler 6 main appearances Talia Perez 8 main appearances The Arbiter 8 main appearances Col. James Ackerson 7 main appearances Vinsher Grath 5 main appearances Mercy 5 main appearances Kaidon 3 main appearances Truth 3 main appearances Regret 3 main appearances Louis-036 3 main appearances Reth 2 main appearances Fleet Admiral Hood 1 main appearances 343 Guilty Spark 1 main appearances
Recurring Guest Characters Marine Medic 1 guest appearances Gunnery Sergeant 1 guest appearances Doctor 1 guest appearances McCoy 1 guest appearances Homesteader Woman 1 guest appearances Homesteader Man 1 guest appearances Holystander #1 1 guest appearances Garwyn 1 guest appearances Fern 1 guest appearances Boy 1 guest appearances Young Acolyte 1 guest appearances Gilroy 1 guest appearances Okada 1 guest appearances Scientist 1 guest appearances ONI Guard 1 guest appearances Black Ops Lieutenant 1 guest appearances Commander Bookman 1 guest appearances Janine 1 guest appearances Lead Scientist 1 guest appearances Scientist 1 guest appearances ⇤ « 1 2 3 4 5 6 7 » ⇥