- Gardner Fox
- Mike Sekowsky
- Bernard Sachs
- Gaspar Saladino
- Superman; Batman; Wonder Woman; Martian Manhunter; The Flash [Barry Allen]; Green Lantern [Hal Jordan]; Green Arrow [Oliver Queen]; The Atom [Ray Palmer]; Aquaman; Snapper Carr; The Maestro (villain); Jerry Thomas (character whose name is a combination of Jerry Bails and Roy Thomas)
- The Maestro uses mind-control music to orchestrate his crimes and capture the JLA, but he overlooks one tiny thing...the Atom!
Story is told in 3 chapters, each ending in 2/3 page.
Lettering credit from reprint in JLA Archives.