Other mistake: When Hennessy shoots McGrath in the leg (twice), there is no blood. McGrath grabs his thigh, then writes the names of the bombers, and there's still no blood anywhere.
The Foreigner (2017)
1 other mistake - chronological order
Directed by: Martin Campbell
Starring: Jackie Chan, Mark Tandy, Katie Leung, Rufus Jones
Revealing mistake: When Hennessy is confronting McGrath, he shoots 3 bullets from his pistol and also hits him in the face with the butt of the gun. There is no magazine/clip in the pistol. (01:19:30)
Quan Ngoc Minh: Politicians and terrorists, they are just 2 ends of the same snake.
Quan Ngoc Minh: What's the difference?
Liam Hennessy: There is a difference.
Liam Hennessy: One end bites and the other doesn't.