Guest star India de Beaufort and series regular Todd Grinnell (Schneider) are real life husband and wife with one child together.
The opera that Lydia, Elena, Dr. B and Sid see is La Clemenza di Tito (The Clemency of Titus) by Mozart. It originally premiered on September 6, 1791 at the Estates Theatre in Prague. Annio is, in fact, a trouser role that is usually sung by mezzo-soprano.