Trivia: While undercover, Picard takes the name of his old mentor, Professor Galen, seen in season 6's "The Chase."
When Data is in command of the ship at the bridge, and the other vessel begins to leave orbit, he asks his helmswoman, "Why was it not detected earlier?" She replies, "they could've been using the planet as a shield." Data accepts this answer. Data, being as informed as he is, would know better than just some regular officer.. why would he need to ask?
Admiral Chekote (Bruce Gray) is one of only four characters to appear on Star Trek: Deep Space Nine before appearing on this series. The other three are Dr. Julian Bashir (Siddig El Fadil), Quark (Armin Shimerman) and Gul Evek (Richard Poe).
The T'Karath sanctuary and mention of the "underground sanctuary for one of the factions during the last civil war" that was also "abandoned for centuries" is a reference to the events of the Star Trek: Enterprise episodes "The Forge", "Awakening" and "Kir'Shara".
Bruce Gray reprises his role of Admiral Chekote from the Star Trek: Deep Space Nine episode "The Circle", which aired the week prior to "Gambit."
Robin Curtis also appeared as Lieutenant Saavik in Star Trek III: The Search for Spock & Star Trek IV: The Voyage Home.
Admiral Chekote in this episode is of no relation to Cmdr. Chakotay of Star Trek: Voyager.