|Portrayed by:||Stewart Alexander|
|Appearance(s):||28 Weeks Later|
|Profession:||US Army officer|
|Cause of death:|
Twenty-eight weeks after the Original Outbreak, Chediak was present during an argument among the high-ranking officers over Major Scarlet Levy's fears that they weren't taking serious enough health and safety precautions. Chediak pointed out to Scarlet that as far as they knew, the Rage Virus had seemingly eradicated itself.
When the Second Outbreak of the Rage Virus in London occurred, Chediak watched from in the control bunker alongside Stone as District One was destroyed by the Infection.
- Chediak is credited as "Military Officer". His name is only ever given by his military uniform's name badge.
- His last name is probably a reference to 28 Weeks Later director of photography, Enrique Chediak.