William "Bill" Paxton (May 17, 1955 - February 25, 2017) was an American actor who portrayed the role of "Brock Lovett" in the 1997 'Titanic' movie by James Cameron. He's also known for playing Bill 'The Extreme' Harding in the 1996 tornado movie Twister.
He later was the presenter of the documentaries 'Inside Titanic' and 'Curiousity: What sank Titanic?'.
Bill Paxton