In the episode {Pathfinder} a picture of Tom Paris in a cadet uniform is shown on Admiral Owen Paris' desk. It is actually a picture of Nick Locarno from the episode {The First Duty} of [Star Trek: The Next Generation], who was also played by Robert Duncan McNeillRobert Duncan McNeill.
This is the only [Star Trek] series to have an entirely American cast.
Like its predecessors, the series used a large filming model of the starship where the show takes place. It wasn't until the last few seasons that a computer generated (CGI) starship replaced the 6-foot model. Nevertheless, the "USS Voyager" seen in the opening credits (which date back to late-1994), is totally CGI.
Anthony MontgomeryAnthony Montgomery auditioned for two different roles on Voyager. One such role was Sek, Tuvok's son.
Tom MorelloTom Morello, guitarist from Rage Against the Machine, makes a guest appearance playing Crewman Mitchell in {Good Shepherd}.
The discovery of a series of sub-space corridors lands Voyager in the middle of a conflict between two species who claim the corridors as their own property.