Titanic Trivia: Leonardo DiCaprio (Jack Dawson) suffered from hypothermia during filming Jack's death scene. Double whammy for him. Suffered it for and his character died from it. Poor Leonardo a double whammy for him.
Titanic Fun Fact: The water was so cold that Kate Winslet (Rose DeWitt Bukater) caught pneumonia because she refused to wear a wet suit under her costume due to authenticity.