Even though Cillian Murphy doesn't appear in the trailer for 28 Years Later, the actor is still expected to appear in the threequel.
Following speculation that Cillian Murphy's Jim might have joined the ranks of the undead in Danny Boyle's 28 Years Later, ...
This is an emaciated zombie from the new 28 Years Later trailer. It looks sort of, kinda, maybe like an emaciated Cillian ...