Julius Schwartz's editorial records, provided by DC Comics, show Ross Andru as being paid for the pencils and inks for the cover, however Mike Esposito worked with Ross and inked and signed the cover. Schwartz kept editorial records for Robert Kanigher who edited this issue (added by Greg Fischer, October 2007).
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (May 2007). Schwartz kept editorial records for Robert Kanigher who edited this issue. The records show the initials HM next to the due date for the lettering of this story.