Bruce Kirschbaum didn't know that the Latvian Orthodox Church was a real faith when writing the episode. Its adherents thanked the show for bringing attention to it.
The exterior shot of the Latvian Orthodox Church is actually the Russian Orthodox Cathedral of the Transfiguration of the Lord, in Greenpoint Brooklyn. It is on the National Register of Historic Places (1980).
Tawni, played by Kimberly Campbell, is shown to live in apartment 5E, but previously it's been stated that is Newman's (Wayne Knight) apartment.
When Kramer meets with the High Priest to discuss his "kavorka" there is a Scientology pamphlet visible on the desk. The letters LRH for L. Ron Hubbard and OT8, (Scientology lingo) are briefly visible.
Molly Hagan plays the part of Sister Roberta. Kristin Davis auditioned unsuccessfully for the role but would later be cast as Jenna in episodes 8.16 The Pothole (1997) & 9.1 The Butter Shave (1997).