Billy Zane as Cal Hockley
Fun fact: Pierce Brosnan was one of the many men who auditioned for the role of Caledon "Cal" Hockley.
Victor Garber as Thomas Andrews
Fun fact: Thomas Andrews also sailed on Titanic's maiden voyage. He's remembered as a hero, someone who urged women and children to board the lifeboats as fast possible before the ship sank.
Eric Braeden as John Jacob Astor IV
Fun fact: John Jacob Astor was indeed the richest man on the ship. He'd be worth more than a billion dollars in today's currency.
Jonathan Hyde as Bruce Ismay
Fun fact: As the film depicted, Mr. Ismay was one of the few men to board a lifeboat and survive the sinking of the ship.
Kathy Bates as Margaret "Molly" Brown
Fun fact: Although a few characters in the film are fictional, Margaret Brown actually existed. She even had a play named after her.
Bernard Hill as Captain Edward John Smith
Fun fact: Robert De Niro was originally going to play the role of Captain John Smith, but he could not follow through because he was sick at the time.
Ioan Gruffudd as Harold Lowe
Fun fact: Officer Lowe was actually one of the only people who went to see if anyone survived the sinking of the ship.
Bill Paxton as Brock Lovett
Fun fact: Bill Paxton fondly remembers the making of Titanic, and said he values having worked with James Cameron on such a beloved film. He once stated, "You couldn't have had a better education in the film trade than being an apprentice to James Cameron."
Kate Winslet as Rose DeWitt Bukater
Fun fact: Although Kate Winslet got the part, Gwyneth Paltrow was allegedly supposed to play the role of Rose.
Leonardo DiCaprio as Jack Dawson
Fun fact: The now-famous "I'm king of the world" line was actually an ad lib from Leonardo DiCaprio.