Titanic was the movie to have two people nominated for an Oscar for portraying the same character. Both the actress Kate Winslet and Gloria Stuart were nominated for playing the role of "Rose DeWitt Bukater" in the movie Titanic.
Winslet played young Rose DeWitt in the 1997 blockbuster Titanic and Stuart portrayed the, shall we say, mature version of Rose. They were both nominated "“ Winslet for Best Actress and Stuart for Best Supporting Actress.