- Roy Thomas (plot); Paul Kupperberg (script)
- Rich Buckler
- John Calnan
- Gene D'Angelo
- John Costanza
- Job Number
- Superman; Captain Marvel (origin); Black Adam (villain, origin); The M.E.L.F. (villains); Shazam; Uncle Marvel [as Uncle Dudley]; Jimmy Olsen; Billy Batson (Earth-1)
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
According to the loc in #54, the intended title was "Captain Marvel for a Day". It was somehow misplaced before it got on the splash page.