Batman [Bruce Wayne] [also as Robin]; Robin [Dick Grayson]; Alfred Pennyworth; Harvey Harris (detective, introduction, death); Mr. Bellew (famous clock collector); Mr. Van Marden (colored glass collector); A. C. Garritt (collector of "famous firsts"); Arthur Mellen (villain, wealthy collector of big ship models)
Synopsis
Bruce Wayne receives a disturbing parcel in the mail: a Robin costume that he once wore as a youth when he was studying how to be a detective from the famed Harvey Harris...the man who obviously knows that Batman is Bruce Wayne!