Rock legend Keith Richards , who played Jack's father, was famously so intoxicated on his first day of filming that director Gore Verbinski had to physically prop him up.
The scene where Jack Sparrow talks to multiple versions of himself required Johnny Depp to perform each version separately using a motion-controlled camera to overlay the takes.
To simulate the crew capsizing the Black Pearl , the actors ran on a massive rotating ship deck. ⚡ Behind-the-Scenes Facts
Davy Jones' Locker was filmed at the Bonneville Salt Flats in Utah to create the "endless doldrums" whiteout effect.
Captain Barbossa's first name, Hector , was originally an improvisation by Johnny Depp during a DVD commentary that fans took so seriously the writers were "forced" to make it canon for the third film.
was the most expensive film ever made at the time of its release, with a massive production budget of $300 million . This was more than the entire budget for the original Lord of the Rings trilogy combined. ⚓ Deep Dive Into Production
For 10 weeks, actors worked in constant, freezing artificial rain; one costume gained 45 lbs (20 kg) when wet.
If you tell me which or scene you liked best, I can find more specific trivia for you!