Master Chief
Cortana
ILB: MacKaskill / Train Conductor (voice)
Gravemind (voice)
Miranda Keyes (voice)
Linda / Robot AI (voice)
Brute / Brute Chieftain / Sergeant (voice)
ILB: Rani Sobek (voice)
ILB: Sarah John / Jersey's Mom / Mama ZamanILB: Sarah John / Jersey's Mom / Mama Zaman (voice)
ILB: Mr. Shebura (voice)
Spartan Locke (voice)
Marine (voice)
343Guilty Spark / Steward (voice)
SpecOps Leader (voice)
The Arbiter (voice)
Loud Speaker Elite (voice)
Sesa Refurmee (Heretic Leader) / Brass#1 (voice)
Prophet Scribe / Prophet of Regret / Elite Lieutenant (voice)
ILB: Antonio / Kevin Morales (voice)
Brute (voice)
The Red Power Ranger (credit only)
Heretic Leader (voice)
ILB: Trevor / Mick (voice)
ILB: Thin Kinkle / Professor Avi (voice)
ILB: Dana's Mom (voice)
2401 Penitent Tangent (voice)
Marine Sergeant (voice)
ILB: Standish (voice)
Kamal Zaman (voice)
ILB: Agent / Papa Zaman (voice)
ILB: Additional Characters (voice)
ILB: Herzog (voice)
ILB: Sophia Bossedon (voice)
ILB: Jim James (voice)
Prophet Of Objection (voice)
Jackals / Hunters / Flood (voice)
ILB: Jersey Morelli (voice)
Lord Hood (voice)
ILB: Genie / Isabel / Cassie (voice)
Grunt (voice)
Tartarus (voice)
Sergeant Johnson / Elite (voice)
ILB: Recruiter / Thug (voice)
Zoey (voice)
Multiplayer Announcer (voice)
ILB: Janissary 'Jan' James (voice)
ILB: Jason (voice)
Brass / Fred / Prophet Steward (voice)
Prophet Of Truth (voice)
Elite (voice)
ILB: Joe (voice)
ILB: Major (voice)