Jameson Locke (voice)
Olympia Vale (voice)
Multiplayer Team Leader (voice)
Linda-058
The Arbiter (voice)
Roland (voice)
The Warden Eternal (voice)
The Master Chief / John-117 (voice)
Governor Sloan (voice)
Edward Buck (voice)
Mahkee 'Chava (voice)
Sarah Palmer / Warzone Commander (voice) (as Jen Hale)
Kelly-087 (voice)
Holly Tanaka (voice) (as Cynthia McWilliams)
Exuberant Witness (voice)
Thomas Lasky (voice)
Dimkee Hotay / Additional Voices (voice)
Multiplayer Announcer (voice)
Cortana / Dr. Halsey (voice)
Master Chief
Linda-058 / Additional Voices (voice) (as a different name)
System Voice / Additional Voices (voice)
Frederic-104 / Jul 'Mdama (voice)
Marine / Scientist (voice)
Additional Voices (voice) (as John Bentley)
Additional Voices (voice)
Female Spartan / Selena Rowan (voice)
Spartan Leader (voice)
Additional Voices (voice) (as Anthony Hanson)
Additional Voices (voice) (as Jason Lewis)
Additional Voices (voice) (as Dave Mitchell)
Rooker / Promethean Captain (voice)
Marine (voice)
Spartan (voice)
Additional Voices (voice) (as Rick Wasserman)
Pre-Vis Team
Self (voice) (as Evan Breznyik)
Samuel-034 (voice) (uncredited)
Gabriel Thorne (voice) (uncredited)
Sam (child) (voice) (uncredited)
Additional Voices (voice) (uncredited)
Captain Wallace / Additional Voices (voice) (uncredited)