Father Thomas Roussel Davids Byles (26 February 1870 – 15 April 1912) was a Catholic priest who famously remained on board the RMS Titanic as she was sinking after colliding with an iceberg, hearing confessions and giving absolution. He has twice been portrayed in films about the disaster. In the 1979 television movie S.O.S. Titanic, he was portrayed by Matthew Guinness. In the 1997 film, Titanic, he was portrayed by James Lancaster.