- Adaptation Expansion: In a spin-off novel, the young ensign whose death on the bridge pushes Janeway to take her extreme actions is called Roberta Luke. It's revealed she was an agent for Section 31 who was assigned to the ship to hunt the Maquis. She also secretly took on actions to take out Seven of Nine, who she saw as a threat.
- Method Acting: This was the episode where Kate Mulgrew quit smoking, and she was pretty miserable. After 17 hours without a smoke, she used that nicotine fit as a release of fury toward the aliens.
- You Look Familiar: Annette Helde, who plays the lead alien Takar, also played Karina in DS9's "Visionary" and an assimilated Enterprise-E crewman in Star Trek: First Contact.
Trivia / Star Trek Voyager S 4 E 7 Scientific Method