Soon after this episode was filmed, Andrew Duggan was cast as detective Cal Calhoun in the sort-of spin-off series, Bourbon Street Beat (1959). He went on to appear on this show five more times, once as Calhoun, four in other guest roles.
Mr. Paradise offers Bailey saccharin for his coffee, explaining that they've renounced sugar. Ironically, years later saccharin was determined to be more dangerous than sugar, so in retrospect, the offer has become more sinister.
Although Suzanne's voice is heard over the intercom, she does not physically appear in this episode. Thus Jacqueline Beer is not listed in the end credits.