A fantastic study in Yank characters as written and directed by Brits:
First, you have Tom Cruise's callow, selfish flak. He arrives with no sense of history or place, immediately starts telling everyone else what to do, and panics when this goes poorly for him.
Second, Charlotte Riley's Nance, an exercise in taking a breathtakingly beautiful woman and covering her with enough grime makeup, ragged vests and some kind of Southern mutant accent to convince a viewer that her entire…