Rush’s script takes care of the rest while careful enough to balance itself out in the course of its progression, prioritizing Grillo’s character first and foremost so viewers can acquaint themselves gradually with the rest of the cast whether we see their faces in full or not. It’s not until the second half of the film when we Caitlin Carmichael who plays daughter Katie, who becomes pivotal to the life-and-death crisis at hand despite knowing little to nothing about what trouble her father is in, or even to the extent of the events in the film’s first act.