O'Connell (a veteran the popular British teen series Skins) does a terrific job, not only with the
physical demands of the role, but in showing Louie's attempts to disguise his fear through his eyes and muscle - tensing
whenever Watanabe
approaches him.
Whenever all three theoretical
approaches (
physical, geometric, and computational) lead to the same conclusion, and moreover agree with experiments and observation, then confidence is justified.