Reviewer Kirk Honeycutt says "[Paul] Greengrass has made not only a thoroughly fact-checked film but a film that uncontrovertibly comes from the heart."
Bottom line: Unflinching account of the terror aboard the fourth hijacked plane on Sept. 11 provokes deep, disturbing
emotions. -- Hollywood Reporter review of United 93
The review details how civilian air controllers were cast to play themselves -- recreating much of what they went through as Flight 93 flew toward its target. (Hollywood Reporter)