Just as it had in the fifth season finale, "Call to Arms", and just as it would in the seventh season finale, "What You Leave Behind", Sisko's baseball carries great thematic significance at the end of this episode.
This episode confirms what is alluded to in "The Reckoning"; that the Dominion have not attempted to bring any reinforcements into the Alpha Quadrant since their fleet was destroyed by the Prophets in "Sacrifice of Angels".
This episode features the last chronological appearance of the second-generation TNG uniforms (first seen in TNG: "Evolution") in command red, as worn by two officers present during the briefing room scene. Two officers later appear wearing TNG operations-gold uniforms in an establishing shot of Starfleet Headquarters in VOY: "Pathfinder", because this shot was recycled from "Homefront". William T. Riker and Deanna Troi later appear in TNG uniforms in the Star Trek: Enterprise series finale "These Are the Voyages...", although that episode took place in 2370, more than four years before the events of Tears of the Prophets.
As mentioned in another entry, Sisko's middle name is 'Lafayette'. It had been originally suggested in the tie-in book 'Legends of The Ferengi', by Ira Steven Behr's and Robert Hewitt Wolfe'. Even through utility was first spoken in a earlier episode.
Casey Biggs (Damar) is a member of the Enterprise Blues Band, which writes and performs songs about Star Trek. The other members are Vaughn Armstrong, Richard Herd, Steve Rankin, William Jones, and Ronald B. Moore. Biggs plays the rhythm guitar, and sings some of the back-up vocals.
Jeffery Combs has the distinction of portraying eight different characters on Star Trek series. He has played the roles of Brunt, Weyoun, Shran, Tiron, Kevin Mulkahey, Penk, Krem, and a holosuite guest. He is one of only five actors to play seven or more different characters in the Star Trek franchise, the others being Randy Oglesby, J.G. Hertzler, Vaughn Armstrong and Thomas Kopache. Coincidentally, Combs has appeared on Star Trek with all four of those actors.
The trivia items below may give away important plot points.
This is where Jadzia Dax dies. The producers were against such a radical plot development, especially with just one more season to go, but it was Terry Farrell's wish. After six years, she wanted to move on. Her death scene was one of the hardest things she ever had to do. She genuinely found herself tearing up at Worf's grief.
The producers were extremely happy with the way the episode turned out. There were a number of problems in getting the script finished, but in the end they were surprised at how much they managed to cram in, and how well it all hung together. The scenes with Damar, Dukat and Weyoun. Visits from the Prophets and the Pah-Wraiths. A song from Vic Fontaine. And Dax's death. It was such a busy show, and one where everything coherently gelled. The producers thought it a wonderful set-up to the seventh and final season.
It is not clear why, when Sisko was removed from the bridge of the Defiant, Kira took command of the ship and not Worf. We have seen in various episodes, and it was explicitly stated in "Apocalypse Rising", that Worf, as a Starfleet officer, is the XO of the Defiant, while Kira, as part of the Bajoran Militia, is second in command of Deep Space 9.
Martok's forecast about the victorious end of the War in one year ties into the fact that the writers expected Deep Space Nine to last one more year (making a total of seven seasons), and their intention to end the series with the end of the war and victory by the Federation, Klingon Defense Forces and Romulan Star Empire.
An alternate ending was filmed, but deleted: Gul Dukat reveals to the Cardassians that the wormhole is more than a gateway to the Gamma Quadrant, but the temple of the Prophets, as well, and, is apprehended. When trying to speak an incantation, Dukat becomes possessed, when breaking a Pah-Wraith statue.
The James Bond film On Her Majesty's Secret Service (1969) in particular the short lived marriage of James Bond and Tracey Draco, which Tracey Draco is tragically killed by Irma Bunt has been speculated by a few to be a major influence behind the short lived marriage of Worf and Dax and Dax's tragic demise.