Film Tom Blyth Getty Images for EPIX The internet went bonkers on the announcement that the 27-year-old Brummie would be the linchpin of much-anticipated Hunger Games prequel The Ballad of Songbirds and Snakes. In what’s basically an origin story for fascist President Snow, so vividly brought to life by Donald Sutherland in the 2012 movie, Blyth plays the young Coriolanus, an ambitious teen forced to mentor rebellious tribute Lucy Gray (Rachel Zegler, of West Side Story fame). Blyth was wholly convincing, in Terence Davies’ Benediction, as the gentle Glen Byam Shaw. If he is as compelling as sneaky Snow, this...