Story: "Enemies Within" (22 Pages)

Credits:

Geoff Johns (plot, script)
Ethan Van Sciver (pencils)
Prentis Rollins (inks)
Rob Leigh (letters)
Moose Baumann (colors)
Stephen Wacker (assistant edits)
Peter Tomasi (edits)

Feature Characters:

Spectre (Hal Jordan; also in flashback to childhood and Carol's first week on the job; corpse also seen)
Green Lantern (Kyle Rayner)
Green Lantern (John Stewart)
Green Lantern (Guy Gardner; formerly Warrior)
Kilowog (last in Green Lantern Vol. 3 #175)

Guest Stars:

Green Lantern (Alan Scott)
Flash I
Jade (all three next in issue #4)
Mister Terrific II
Aquaman
Batman
Flash III
Green Arrow
Superman
Wonder Woman
Zatanna (last in Identity Crisis #7)

Supporting Characters:

Carol Ferris (also in flashback to childhood and first week on the job; next in issue #6)
Ganthet (last in Green Lantern Vol. 3 #175)
Carl Ferris (in flashback)
Martin Jordan (in flashback to death)

Villain:

Parallax (behind the scenes; fighting for control of Hal Jordan)