Story: "Soul of the Machine" (17 Pages)

Credits:

Keith Giffen (plot, breakdown pencils)
J.M. DeMatties (script)
Kevin Maguire (pencils)
Al Gordon (inks)
Bob Lappan (letters)
Gene D'Angelo (colors)
Andrew Helfer (edits)

Feature Characters:

Batman
Doctor Fate II (both in between Millennium #5 and #6)
Captain Atom (appearance same as Firestorm, The Nuclear Man #68)

Guest Stars:

Arisia
Hal Jordan
Hawkman II
Hawkwoman
Katma Tui Stewart
Superman (both in between Millennium #5 and #6)

Supporting Character:

G'nort Esplanade Gneesmacher (Green Lantern of Sector 68; first appearance; last, behind the scenes, in Green Lantern Vol. 2 #200)

Villains:

Highmaster (last in Justice League of America #141; next in Millennium #6)
The Manhunters of planet Orinda (some also appear in Firestorm, The Nuclear Man #68 during this story; all destroyed in this story)

Second Story: "...Back at the Ranch" (5 Pages)

Credits:

Keith Giffen (plot, pencils)
J.M. DeMatties (script)
Al Gordon (inks)
Agustin Mas (letters)
Gene D'Angelo (colors)
Andrew Helfer (edits)

Feature Characters:

Blue Beetle II
Mister Miracle II
Batman
Black Canary II
Guy Gardner (all five in between Millennium #5 and #6; latter three behind the scenes only)

Guest Stars:

Herupa Hando Hu
Nadia Safir
Janwillem Kroef (name misspelled "Janwillem" in this story)
Kilowog (all in between Millennium #5 and #6)

Guest Appearances:

Aqualad
Aquaman
Brainwave
Green Arrow
Hourman II
Jade
John Stewart
Mr. Bones
Nuklon
Obsidian
Skyman
Wildcat III
Xiang Po
Betty Clawman
Celia Windward
Gregorio de la Vega
Takeo Yakata
Tom Kalmaku
Floronic Man (all, behind the scenes, in between Millennium #5 and #6)