- Jack Schiff
- Bob Oksner
- Bob Oksner
- Ira Schnapp
- Bob Hope
- The Golden Rule is universal.
Inside front cover; published in cooperation with the National Social Welfare Assembly.
Later appears in DC comics cover-dated April 1967.
- Leo Dorfman
- Curt Swan
- George Klein
- Joe Letterese
- Superman; Clark Kent; Lois Lane; Jimmy Olsen; Perry White
- Red Kryptonite once again splits Clark and Superman into two people, and Superman is an egotistical bully who demands to be elected king of the world, threatening the United Nations with his super-powers. Clark decides to form an anti-Superman underground movement to overthrow his evil duplicate.
- Fortress of Solitude; Gold Kryptonite; Green Kryptonite; Kandor; Red Kryptonite; United Nations
Story continues in Action Comics #312.
Red Kryptonite previously split Superman and Clark in Action #293; an experiment conducted by Superman in this issue causes the Red K effect to be duplicated, when ordinarily Red K does not affect Superman in the same way twice.
Script added by Bob Bailey, 2005-03-19 (Per Sandell ed.)
Author credits from Action Comics #316 lettercolumn, originally listed as Robert Bernstein, corrected by Jim Walker, Jan. 2010
- Mort Weisinger
letters submitted by Ernest A. Sutcliffe Jr.; Carol Ann Lovene; Monica McGowan; Thomas Staniszewski; Billy Monk; E. K. Deen