The Duchess from season 1's episode, "Hotel Strangeduck" makes a cameo appearance in this episode as an actress on Mrs. Crackshell's soap opera.
Scrooge says he must save "art for art's sake." The phrase art for art's sake (or it's Latin equivalent "are gratia artis," is the motto for MGM.
The Beagles shop (fittingly) at Crooks Brothers. This is a reference to Brooks Brothers men's clothing stores.
Scrooge's spats, which are normally a bright red, appear as dull brown for portions of the episode. Huey's shirt, similarly is lacking it's usual bright redness.
Final series appearance of Ma Beagle.