Wonder Woman [Diana Prince]; Mugsy McGrew (school bully); Eileen McGrew (Mugsy's sister, introduction); Mr. McGrew (Mugsy and Eileen's father, introduction); Jimmy Simpson (school boy, introduction); General Darnell; Major Steve Trevor; Etta Candy; the Holliday Girls; Cyrus K. Knowles (villain, spy, introduction); Magda [also as Eileen McGrew] (villain, spy, introduction)
Synopsis
Etta and the Holliday Girls get jobs at a local factory to uncover the secret of a laughing sickness, while Wonder Woman helps turn a family away from bullying.