Wallace Henry Hartley in the Film
Wallace Henry Hartley, a band leader who instructed his band to play as the ship sank, was played by Jonathan Evans-Jones in the film. In real life, Jonathan Evans-Jones is a talented violinist and music arranger. He has lent his violin playing talents to other films such as “No Time to Die,” “Mowgli: Legend of the Jungle,” and “Fantastic Beasts: The Crimes of Grindelwald.”