10 Most Timeless Performances of All Time, Ranked

Acting is an art, not a science, and the work that goes into delivering a good performance isn't something that can simply be replicated, even by the exact same actor. Even those performers who don't peak with an Oscar win can find it difficult to always maintain consistency among the outside pressures and factors that can alter a performance. In addition to all that, some acting performances, even those that have won Oscars, don't stand the test of time and age poorly.