Much of the metal ornaments on the Kazon costumes are pieces of hardware and tack for horses.
Tuvok recalls how Spock helped to forge an alliance between the Federation and the Klingon Empire, a reference to Star Trek VI: The Undiscovered Country (1991).
This episode marks the first time we see Neelix's new, brighter eye color. Previously they were auburn in color, now they are yellow with an auburn ring around the iris.
For some unknown reason the Netflix and Amazon Video streaming version of the episode has the sound of trumpets playing fanfare and applause added to the scene where the Kazon Majes walk into the conference room, even though none of the characters are applauding and no one is playing music. These sound effects were not present in the original broadcast version of the episode nor in the VHS or DVD releases of it. It is not known why this was added, or who did it, in December of 2017 the sound effects were removed from the Netflix version however as of August of 2022 they are still present in the Amazon Video version.
Martha Hackett has played Seska on Star Trek: Voyager, T'rul on Star Trek: Deep Space Nine and Androna in a deleted scene in TNG "All Good Things." She also provided her voice in five Star Trek video games.