Luci Christian

Female Soldier ("Prototype") / Kelly ("The Package")

David Wald

Master Chief

Emily Neves

Spartan ("The Babysitter")

Shelley Calene-Black

Cortana / Dr. Halsey

Jessie James Grelle

Haka (segment "The Duel")

Brittney Karbowski

Sister (segment "Odd One Out")

Greg Ayres

Kid A (segment "Odd One Out")

David Anthony Matranga

Sarge (segment "Prototype") / Joseph (segment "Homecoming")

Akio Otsuka

ONI Commander (segment "Prototype")

Tomokazu Seki

Brother (segment "Odd One Out")