| Unofficial Action Comics Index |
Credits:
| Story | Edmond Hamilton |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Assistant editing | George Kashdan, Mort Weisinger |
| Editing | Whitney Ellsworth |
Feature Character(s):
- Superman (last in Superman's Pal Jimmy Olsen #28/3; next in Superman Vol. 1 #121)
Supporting Character(s):
- Lois Lane (last in Superman's Pal Jimmy Olsen #28/3; next in Superman Vol. 1 #121)
- Perry White (last in Superman's Pal Jimmy Olsen #28/2; next in Superman Vol. 1 #121/3)
Villain(s):
- an unidentified thief (first appearance)
Other Character(s):
- Dr. Norton (first appearance; a scientist working on the ability to create new elements, including kryptonite)
- various reporters
- citizens of Metropolis
Location(s):
Credits:
| Story | ? |
| Art | Howard Sherman |
| Assistant editing | George Kashdan, Mort Weisinger |
| Editing | Whitney Ellsworth |
Feature Character(s):
- Congo Bill (in between issues #238/3 and #240/2)
Supporting Character(s):
- Janu the Jungle Boy (in between issues #238/3 and #240/2)
Villain(s):
- Simon Rader (first appearance; an international spy; disguised as a sheik)
- his henchmen
- Judson (first appearance; a bomber pilot)
Other Character(s):
- Professor Drake (first appearance; a scientist working on a satellite launch)
- satellite launch crew (first appearance of all)
- Ralph Dean (first appearance; a photographer, captured and forced to work on building a pyramid)
- Bill Adams (first appearance; a hunter, captured and forced to work on building a pyramid)
Location(s):
- somewhere in Africa
Credits:
| Story | Otto Binder |
| Art | Jim Mooney |
| Assistant editing | George Kashdan, Mort Weisinger |
| Editing | Whitney Ellsworth |
Feature Character(s):
- Tommy Tomorrow (in between issues #238/2 and #240/2)
Supporting Character(s):
- Brent Wood (in between issues #237/2 and #240/2)
Villain(s):
- Space Pirates (first appearance of all)
Other Character(s):
- Commander Jenkins (voice only)
- a Planeteer patrol (all die)
Location(s):
- Earth
- an asteroid
Story Reprinted in:
- Legion of Super-Heroes Vol. 1 #2 (March 1973)