Batman [Bruce Wayne]; Robin [Dick Grayson]; Commissioner James Gordon; Hubert Harper (movie star); John Gillen [aka "the Man With a Million Faces"] (ex-convict); Mr. Corkin (jewelry salesman); unnamed circus prop man; Carey (villain, assistant circus prop man); Withers (villain, assistant circus prop man); unnamed police officers; unnamed jewelry store manager; Marty Mallen (famous pilot); unnamed circus performers; unnamed circus manager
Synopsis
An ex-con, John Gillen, working with the Carson Circus and billed as "The Man With a Million Faces," astounds the public with his ability to visually imitate anyone. However, the Dynamic Duo discover two employees at the circus are using this fact to commit crimes and blame them on him.