Mel Gibson was attached to this project at one stage.
In a making-of feature in which Richard Gere was preparing for the first rescue of Gweneviere (Julia Ormond), Gere stated that this would be the last film in which he performed an action oriented role.
Former James Bond director Terence Young was supposed to direct this film but died during early pre-production. It would have reunited him with his James Bond actor Sean Connery after 30 years. Their last movie together was Thunderball (1965) in 1965.
Julia Ormond was paid $350,000 for the film. Her two male co-stars' combined fee was $14 million.
Julia Ormond had to miss filming for a few days when she had a severe ear infection that required hospitalization.
Julia Ormond initially turned the part of Guinevere down, not finding her independent enough for her liking.
Legendary production designer John Box was fired from the film as his sets were deemed to be too expensive.
During filming, Richard Gere and his then wife Cindy Crawford took out an ad in the London Times scotching rumors as to the state of their marriage. A week after filming was completed, the couple made an announcement that their marriage was over.
The title "First Knight" means "The best and foremost knight", not the first one in existence. The Swedish translation of the title is "Den första riddaren" meaning the first one in existence, even though there were already several other knights already sitting at the round table.