Len Wein (plot, script) R.J.M. Lofficier (plot assists) Russ Andru and Gil Kane (pencils) Danny Bulanadi (inks) John Costanza (letters) Gene D'Angelo (colors) Denny O'Neil (edits)
Chronos (also in flashback preceding main story; next in Action Comics #664) Klaus Cornelius Cinq Dekan Drache (first appearance; a wealthy industrialist)