- Script
- Otto Binder
- Pencils
- Bud Thompson
- Inks
- Bud Thompson
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Captain Marvel Jr. [Freddy Freeman]; the Vacuum Master (villain, introduction)
- Reprints
Pencil and ink credits from Don Ensign via the GCD Error List (October 20, 2009).
- Script
- Howard Boughner ?
- Pencils
- Howard Boughner ?
- Inks
- Howard Boughner ?
- Colors
- ?
- Letters
- ?
- Genre
- humor
- Reprints
Script and art credits suggested by Jerry Bails' Who's Who.
- Script
- Howard Boughner ?
- Pencils
- Howard Boughner ?
- Inks
- Howard Boughner ?
- Colors
- ?
- Letters
- ?
- Genre
- humor
Script and art credits suggested by Jerry Bails' Who's Who.
- Script
- ?
- Pencils
- Bud Thompson
- Inks
- Bud Thompson
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Captain Marvel Jr. [Freddy Freeman]
- Reprints
Pencil and ink credits from Don Ensign via the GCD Error List (October 20, 2009).