- Roy Thomas; Dann Thomas (co-plotter)
- Michael Bair
- Steve Montano
- Carl Gafford
- David Cody Weiss
- Sandman [Wesley Dodds]; Mayor Laguardia; Phantom of the Fair; Whalen; Crimson Avenger [Lee Travis]; Sally Stevens; King George VI; Queen Elizabeth; Johnny Quick [Johnny Chambers] (cameo); Tubby Watts(cameo); Elektro; Liberty Belle [Elizabeth Lawrence] (cameo); Tarantula [Jonathan Law] (cameo); Starman [Ted Knight] (cameo); Doctor Mid-nite [Charles McNider] (cameo); Robotman [Robert Crane]; Sandy [Sandy Hawkins] (cameo); Wing [Wing How] (cameo)
- Wesley Dodds fears that the Phantom of the Fair and the Crimson Avenger will try to assassinate the King and Queen of England at the New York World's Fair. He becomes the Sandman and learns that the Crimson Avenger is actually on his side and they stop the Phantom of the Fair and his robot Elektro.
Cameo by several of the JSA, and story takes place at the 1939 World's Fair, where the All Star Squadron will headquarter.
Dann Thomas listed as co-plotter when story is reprinted in Last Days of the Justice Society of America (2017).