Kelly Rutherford is absent from this and the following two episodes of the season, recovering from her recent pregnancy, while her character of Lily van der Woodsen's absence is explained that she is visiting her ill mother in California.
Sebastian Stan (Carter Baizen) and JoAnna Garcia Swisher (Bree Buckley) have both appeared in the TV show Once Upon a Time (2011), playing Jefferson/The Mad Hatter and Ariel respectively.