Master Chief (17 episodes, 2022-2024)
Admiral Margaret Parangosky (17 episodes, 2022-2024)
Riz-028 (17 episodes, 2022-2024)
Dr. Miranda Keyes (17 episodes, 2022-2024)
Kwan Ha (17 episodes, 2022-2024)
Dr. Catherine Halsey (17 episodes, 2022-2024)
Vannak-134 (17 episodes, 2022-2024)
Kai-125 (17 episodes, 2022-2024)
Makee (17 episodes, 2022-2024)
Captain Jacob Keyes / Admiral Jacob Keyes (17 episodes, 2022-2024)
Cortana (17 episodes, 2022-2024)
Soren-066 (17 episodes, 2022-2024)
Laera (11 episodes, 2022-2024)
Kessler (11 episodes, 2022-2024)
James Ackerson (8 episodes, 2024)
Cortana (8 episodes, 2024)
Talia Perez (8 episodes, 2024)
Adun (8 episodes, 2022)
The Arbiter (8 episodes, 2024)
Young John (6 episodes, 2022)
Vinsher Grath (5 episodes, 2022)
John's Father (5 episodes, 2022)
Ops Tech / Ops Tech Pereira / Sangheili #1 / Sangheili Guard (4 episodes, 2022)
Mercy (4 episodes, 2022)
Kaidon / Uto 'Mdama (4 episodes, 2022-2024)
The Mother (4 episodes, 2024)
John's Mother (4 episodes, 2022)
Truth (3 episodes, 2022)
Regret (3 episodes, 2022)
MP Malya (3 episodes, 2022)
Louis-036 (3 episodes, 2024)
Lt. Mullins (3 episodes, 2024)
Captain Briggs (3 episodes, 2024)
Tech Smith (3 episodes, 2024)
Tech Jones (3 episodes, 2024)
Squirrel (3 episodes, 2022)
Trokan (3 episodes, 2022)
Danilo (3 episodes, 2024)
Carina (3 episodes, 2024)
Antares (3 episodes, 2024)
Castor (3 episodes, 2024)
Virgil (3 episodes, 2024)
Manuela Perez (3 episodes, 2024)
Flight Tech Tesic (1 episode, 2022)
Jin Ha (2 episodes, 2022)
Reth (2 episodes, 2022)
UNSC Nurse (2 episodes, 2022)
Marine Doyle (2 episodes, 2022)
Agatha Terne (2 episodes, 2022)
Ruben (2 episodes, 2022)
Professor (2 episodes, 2022)
Soojin Ha (2 episodes, 2022)
Malchin (2 episodes, 2022)
Penma (2 episodes, 2022)
David Agnoli (2 episodes, 2022)
Bota (2 episodes, 2022)
Julia (2 episodes, 2024)
Flight Tech Juric (2 episodes, 2022)
Control Tech Ladi (2 episodes, 2022)
Marine Private / Olsson (2 episodes, 2024)
Colonel Stacker (2 episodes, 2022)
Yaz-112 (2 episodes, 2024)
Val-015 (2 episodes, 2024)
Cousin Ant (2 episodes, 2024)
Cousin Mateo (2 episodes, 2024)
Aunt Lucia (2 episodes, 2024)
Flight Tech Javal / Flight Technician Javal (1 episode, 2022)
Katie Rios (1 episode, 2022)
Young Girl (1 episode, 2022)
Fleet Admiral Hood (1 episode, 2022)
Violetta Franco (1 episode, 2022)
Borovoi (1 episode, 2022)
Marine Lieutenant Goy (1 episode, 2022)
Sergeant Mendez (1 episode, 2022)
Marine Gunnery Sgt. (1 episode, 2022)
MP Takacs (1 episode, 2022)
Murdo (1 episode, 2022)
MP Choksey (1 episode, 2022)
The Monitor (1 episode, 2024)
Det (1 episode, 2022)
Jong Sook (1 episode, 2022)
Doctor (1 episode, 2024)
Captain Nix (1 episode, 2024)
Attu (1 episode, 2022)
Djanka (1 episode, 2022)
Young Makee (1 episode, 2022)
Raphael Bivas (1 episode, 2022)
Ackerson's Father (1 episode, 2024)
Gunnery Sgt Boone (1 episode, 2024)
Jade (1 episode, 2024)
Janine (1 episode, 2024)
McCoy (1 episode, 2024)
Enforcer (1 episode, 2022)
Young Father (1 episode, 2022)
Esso (1 episode, 2022)
Madrigal Elder (1 episode, 2022)
Ensign Bishara (1 episode, 2024)
Lead Scientist (1 episode, 2024)
Gilroy (1 episode, 2024)
Homesteader Woman (1 episode, 2024)
Teenage John (1 episode, 2022)
Cara (1 episode, 2022)
Corporal Sims (1 episode, 2024)
Clive (1 episode, 2024)
Okada (1 episode, 2024)
Specialist Pavlenko (1 episode, 2024)
Scientist (1 episode, 2024)
Homesteader Man (1 episode, 2024)
Teenage Soren (1 episode, 2022)
Neru (1 episode, 2022)
Evans (1 episode, 2022)
Captain Tyrell (1 episode, 2024)
Holystander #1 (1 episode, 2024)
Corporal Fisk (1 episode, 2024)
Oswyn (1 episode, 2024)
Black Ops Lieutenant (1 episode, 2024)
Major Ira Halal (1 episode, 2022)
Filip (1 episode, 2022)
Faaz (1 episode, 2022)
Garwyn (1 episode, 2024)
Lance Corporal Bowman (1 episode, 2024)
Marine Medic (1 episode, 2024)
Spiff Henchman #1 (1 episode, 2024)
Guard #1 (1 episode, 2024)
Commander Bookman (1 episode, 2024)
Daranka (1 episode, 2022)
Fazekas (1 episode, 2022)
Sentry (1 episode, 2022)
Wounded Marine (1 episode, 2022)
Fern (1 episode, 2024)
Private Rand (1 episode, 2024)
Spiff Henchman #2 (1 episode, 2024)
Gunnery Sergeant (1 episode, 2024)
Guard #2 (1 episode, 2024)
Captain Yates (1 episode, 2022)
Boy (1 episode, 2024)
Felix (1 episode, 2024)
Radio Operator (1 episode, 2022)
Minnie (1 episode, 2024)
Young Acolyte (1 episode, 2024)
Weapons Operator (1 episode, 2022)
Refugee Husband (1 episode, 2024)
Desiderata (1 episode, 2022)
Sensor Operator (1 episode, 2022)
ONI Guard (1 episode, 2024)
Refugee Wife (1 episode, 2024)
Flight Tech Doan (1 episode, 2022)
Pete (1 episode, 2022)
Baz (1 episode, 2024)
Man at the Well (1 episode, 2022)
Vendor (1 episode, 2022)
Vera (1 episode, 2024)
Caged Person 1 (1 episode, 2022)
Caged Person 2 (1 episode, 2022)
Ruby Ann (1 episode, 2024)
Robin (1 episode, 2022)
Young Marine (1 episode, 2022)
Second Marine (1 episode, 2022)
Teenager (1 episode, 2022)
Marine Lieutenant (1 episode, 2024)
Karim-002 (1 episode, 2024)
Virtual Companion (1 episode, 2024)
Crewman #2 (uncredited) (1 episode, 2022)
David (uncredited) (1 episode, 2022)
Father (uncredited) (1 episode, 2022)
Corpsman 2 (uncredited) (1 episode, 2022)
Souk Teen (uncredited) (1 episode, 2022)
Crewman #1 (uncredited) (1 episode, 2022)
Corpsman 1 (uncredited) (1 episode, 2022)
Greskoviak (uncredited) (1 episode, 2022)
Soren Soldier (uncredited) (1 episode, 2022)
Village Elder (uncredited) (1 episode, 2022)
Marine Private (uncredited) (1 episode, 2022)
Man in the Crowd (uncredited) (1 episode, 2022)
Holystander #2 (uncredited) (1 episode, 2024)