Legendary actor Tom Wilkinson reveals that when he looks inward at how he defines himself, he finds he doesn't know who he is. See how this self-knowledge informs his ability to become a character. OWN: Oprah Winfrey Network will be honoring the civil rights legends who paved the way as we approach the 50th anniversary of the historic Selma-to-Montgomery marches that changed the trajectory of America forever. Take a look. Plus, two powerful minutes of the movie, Selma, you don???t want to miss.