Jadeybug, Postmaster Bumblebee, Mr. Longface and Princess Berrykin appear in the episode, without speaking lines.
Huckleberry could have easily seen through Lemon and Raspberry's disguises, had he been more observant: each of them was accompanied by a puppy that was not Scouty, and both offered Huckleberry a cake that was not blueberry-flavored.