- Script
- Ed Herron
- Pencils
- Carmine Infantino
- Inks
- Joe Giella
- Colors
- ?
- Letters
- ?
- Genre
- science fiction
- Reprints
Pencils and inks credits confirmed from Julius Schwartz's editorial records, supplied by DC Comics.
- Script
- John Broome
- Pencils
- Sy Barry
- Inks
- Sy Barry
- Colors
- ?
- Letters
- ?
- Genre
- science fiction
- Characters
- Rav Hanley (Lieutenant); Major Wylie; Whippen
- Reprints
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- Script
- Otto Binder
- Pencils
- Sid Greene
- Inks
- Joe Giella
- Colors
- ?
- Letters
- ?
- Genre
- science fiction
Pencils and inks credits confirmed from Julius Schwartz's editorial records, supplied by DC Comics.
- Script
- ?
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- ?
- Genre
- non-fiction
Information for this sequence from Arthur Lortie.
- Script
- Otto Binder
- Pencils
- Gil Kane
- Inks
- Joe Giella
- Colors
- ?
- Letters
- ?
- Genre
- science fiction
- Reprints
Pencils and inks credits confirmed from Julius Schwartz's editorial records, supplied by DC Comics.