Other mistake: In the scene where Mary Lynn Rajskub is driving Harrison Ford around, she is told at the beginning of the scene to "pop the clutch", signifying that she is driving a manual transmission vehicle. However, during the drive, she never removes her hands from the steering wheel to shift gears.
Firewall (2006)
1 other mistake - chronological order
Directed by: Richard Loncraine
Starring: Harrison Ford, Paul Bettany, Virginia Madsen, Jimmy Bennett, Carly Schroeder
Revealing mistake: In chapter 14, Bill Cox calls Harry, who's asleep in bed. Harry answers his flip phone, but doesn't flip it open. (00:54:50)
Jack Stanfield: Change of plans, asshole: You get the money when I get my family.