Story: "The Circle Turns" (22 Pages)

Credits:

Marv Wolfman and Jerry Ordway (plot)
Marv Wolfman (script)
Jerry Ordway (pencils)
John Beatty (inks)
Albert De Guzman (letters)
Anthony Tollin (colors)
Michael Carlin (edits)

Feature Character:

Superman (last in Superman Vol. 2 #12; next in Action Comics #595)

Supporting Characters:

Jimmy Olsen
Cat Grant (in between Superman Vol. 2 #11 and #13)

Villains:

Zahara
Concussion
the Circle (all three last in issue #429)
Charger
Deuce
Mammoth (all three last in issue #430)

Other Characters:

Mario Stuart (a technician at a racetrack)
Pete (a security officer of Stryker's Island; first appearance of both)