Wonder Woman [Diana Prince]; Etta Candy; Major Steve Trevor; Tama Blair (actress, introduction); Sam Biff (cartoonist, introduction); Joe Beaton (script writer, introduction); The Spectre [Jim Corrigan] (cameo); Batman [Bruce Wayne] (cameo); Superman [Clark Kent] (cameo); The Flash [Jay Garrick] (cameo); Percy Pringle (villain, embezzler, introduction); Sheila Brun (villain, actress, introduction); Pringle's gang [Gyp; Lefty; rest unnamed] (villains, introduction for all)
Synopsis
Etta overhears a telephone conversation plotting a murder, so she and Diana go to a studio costume party to prevent the crime from being carried out. Although Diana is dressed as Wonder Woman, a beautiful movie star, supposedly kidnapped and murdered, also shows up at the studio party dressed as Wonder Woman!