Leonardo DiCaprio's pet lizard, Blizz, was injured on set, but the star nursed it back to health.
Director James Cameron initially wanted Gwyneth Paltrow to play the role of Rose DeWitt Bukater. Claire Danes and Nicole Kidman were also considered.
Paramount Pictures wanted Matthew McConaughey for the role of Jack Dawson, but Cameron insisted on Leonardo DiCaprio. Dicaprio almost bowed out in order to play the lead in the film 'Boogie Nights' about the adult film industry in the 1970s.
After finding out that she had to would have to be naked in front of Leonardo DiCaprio, Kate Winslet flashed her co-star when they first met.
The very first scene that Winslet and DiCaprio shot together was when Jack draws Rose's nude portrait. Cameron wanted to capitalize on his young actors' nervous energy.
Read More »from 'Titanic' Trivia: 17 Surprising Facts about the Making of the Movie