Production had to be shut down for 40 minutes so that lining could be sewn into the bathing suit worn by Sandra Nelson (who played Marayna). The set was too cold and they wanted to avoid a "nipples memo" from UPN.
This was the second Star Trek: Voyager episode to be directed by a main cast member (Robert Picardo).
This episode is the first to feature the Vulcan game kal-toh.
Tuvok & Ensign Harry Kim's simultaneous responses of "no" and "yes" respectively, could be reminiscent of Spock & Kirk simultaneously saying "yes" & "no" (Spock, a Vulcan, just like Tuvok) and Kirk saying "yes" in Star Trek IV: The Voyage Home (1986) when asked if they liked Italian food.
47-references: (1) after being hit by several plasma strands, Voyager's shields are down to 47%, according to Chakotay. (2) In Tuvok's report, the stardate is 50471.3.