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 Ruben 2 guest appearances Professor 2 guest appearances Malchin 2 guest appearances Flight Tech Juric 2 guest appearances Control Tech Ladi 2 guest appearances Ops Tech Pereira 2 guest appearances Colonel Stacker 2 guest appearances Penma 2 guest appearances David Agnoli 2 guest appearances Bota 2 guest appearances Agatha Terne 2 guest appearances Soojin Ha 2 guest appearances UNSC Nurse 2 guest appearances Marine Doyle 2 guest appearances Cousin Ant 2 guest appearances Cousin Mateo 2 guest appearances Aunt Lucia 2 guest appearances Val-015 2 guest appearances Yaz-112 2 guest appearances Julia 2 guest appearances ⇤ « 1 2 3 4 5 6 7 » ⇥