Trivia: Deep Blue Sea
- Executive Meddling: Originally, Dr. Susan was to survive and Preacher would be sharked. Test audiences found Susan to be such an irritating twerp that this was inverted. Makes for a damn fine climax.
- Hey, It's That Guy!:
- Ronny Cox shows up very briefly in the beginning, where he doesn't even say anything. Presumably the footage was cut.
- Tony's sister Janice is handling the communications at the research station.