Random Trivia For This Title:
- Some shots of the whales were in fact four foot long animatronics models. Four models were created, and were so realistic that after release of the film, US fishing authorities publicly criticized the film makers for getting too close to whales in the wild. The scenes involving these whales were shot in a high school swimming pool. The shot of the whales swimming past the Golden Gate Bridge were filmed on location, and nearly ended in disaster when a cable got snagged on a nuclear submarine and the whales were towed out to sea.
- The device Dr. McCoy uses to heal Chekov's head injury is part of a model kit of an AMT movie version Klingon Battlecruiser.
- The punk on the bus is Kirk R. Thatcher (associate producer), who also wrote and performed the song that is playing on his stereo at the time.
- The success of this film spurred American TV networks to explore the possibility of a new Trek TV series. This led to the creation of [Star Trek: The Next Generation] the following year.
- When Chekov is running through the Enterprise (the aircraft carrier), trying to get away from the Marines, the words "Escape Route" and an arrow can be seen on the bulkhead walls.
- The 'USS Enterprise CVN-65' was actually The USS Ranger CV-61. The Enterprise was out to sea during filming.
- Towards the end of the film, the characters evacuate the Klingon ship, and end up jumping in the water and splashing around. This was not scripted - James Doohan slipped, the rest of the actors followed while the 2nd unit director kept rolling.
- This film is the only [Star Trek] film so far in which no cast member from this film is killed, as the only deaths were from the film clip from Star Trek 3.
- When the alien ship is approaching Earth at the beginning to look for the humpback whales, there were originally subtitles saying things like "Where are you? Can you hear us?". The studio wanted to keep them despite Leonard Nimoy's objections. In the first test screening, however, test audiences indicated the subtitles were unnecessary so they were cut.
- The scene with Chekov and Uhura asking passerby where Alemeda and the U.S. Enterprise were was completely unscripted, as was the young lady's clueless response, "Ooh, I don't think I know the answer to that one - I think it's in the bay, in Alemeda." Crew had to chase her down after the shot was taken to get her to sign a SAG waiver and permission to use her in the film.
- The film bore the dedication, "The cast and crew of Star Trek wish to dedicate this film to the men and women of the spaceship Challenger whose courageous spirit shall live to the 23rd century and beyond..."