His character famously did not survive the sinking of the Titanic in James Cameron's blockbuster movie.
But in real life, Leonardo DiCaprio is being hailed for his part in rescuing a man from drowning while on his Caribbean vacation last month.
A source confirmed to DailyMail.com that the Hollywood star, 45, was on board a boat off the island of St. Barts that successfully located the man after he'd spent 11 hours treading water and pulled him to safety.
Leonardo Di Caprio is pictured in St. Barts on New Year's Eve, hours after helping to rescue a Frenchman who had fallen overboard from a cruise ship and been treading water for 11 hours
The dramatic rescue occurred on December 30 when the captain of the boat DiCaprio was on board heard that a Frenchman, 24, had fallen from a cruise ship.
The actor immediately agreed the vessel should divert to aid in the search and after looking for hours in rough water, they spotted the man waving his hands.
The crew was able to pull him from the water just before nightfall as a giant rainstorm moved into the area.
DiCaprio's vessel was the only one looking for the missing man who faced certain death in the middle of the ocean.
In fact, the boat's captain described the successful rescue as a 'one in a billion shot'.
DiCaprio was on board a boat when the captain heard of the man overboard and immediately agreed they should go search for him. The crew searched for hours in rough water before finally spotting the man in the middle of the ocean and pulling him to safety
The actor, 45, was on vacation in the Caribbean with girlfriend Camila Morrone, 22, and he traditionally sees in the new year on St. Barts enjoying the sun, sea, sand and yacht trips
Like many celebrities, the star of The Revenant and Inception spent the period between Christmas and New Year soaking up the sun in St. Barts.
He was accompanied on his trip by girlfriend Camila Morrone, 22.
Now one of the top stars in Hollywood, DiCaprio was catapulted to global fame as the tragic Jack Dawson opposite Kate Winslet's Rose in 1997's Titanic.
Following the sinking of the doomed transatlantic liner after it hit an iceberg, Jack sacrificed himself in order to save Rose, refusing to clamber on board a makeshift raft on which she was able to escape the