Collective - Borgtext commentary)

Guest star Elizabeth Dennehy found that, by this episode, she knew how to handle the complicated lines of dialogue and technobabble given to her character of Shelby. She recounted, "I actually had much less to do in the second one than the first. I had the show on tape so I watched it quite a few times before we went back. The hard thing was remaining the same weight between the first and the second one." (Captains' Logs: The Unauthorized Complete Trek Voyages)

When the filming of this episode began, actor LeVar Burton was in hospital for emergency surgery. Consequently, his scenes as La Forge were carefully filmed after the majority of production was concluded; this is why he only appears in close-ups and not inbut the moment was ultimately never shot. Nowak recalled, "In 'Best of Both Worlds, Part II', they had a big stunt planned where they would capture Picard/Locutus, but at the last minute they ran out of time, so I was there, got my four hours of makeup and sat around another 12 hours in the stuff, but never got filmed as the Borg." (Starlog Science-Fiction Explorer, issue #8)

On one evening during post-production for this episode, Michael Okuda was in the TNG art department, and was adding some battle damage to one of the models of the wrecked spaceships for the battlefield scene, when Patrick Stewart – wearing his Borg costume – walked into the department to use its Xerox machine. In response to a puzzled Stewart asking Okuda