After Tessa's death when Justin is searching between her stuffs, he finds a piece of paper that Wanza Kiluhu's (the girl who died in hospital where Tessa had a miscarriage) death date is written on it which is 29/8/04; A few scenes later, when Justin goes to London searching about Tessa's death, the station's security monitor shows the date 25/05/04, three months before Wanza's death and actually before Tessa's which occurred later.
When the turbo prop plane is making a drop into the village, the two pilots push the yoke forward. That would cause the plane to pitch down, however, the plane is clearly climbing when the drop is made.
When Birgit is leaving on her bike past a "red herring" black sedan, she is shown passing the car, but when the camera cuts back to Justin, she is shown as not having passed the black sedan yet.
When Justin's High Commission colleague is putting the tape on the cricket bat handle, he has taped different amounts on in the two shots (front and back) in which it is shown.
When Sandy and Tessa are talking in Sandy's office, the cricket ball on his desk vanishes, then reappears in a different location.
When Quayle shows the fake ID to the German police officer in Berlin, it is a Dutch passport. However, when he pockets the document again, it is shown to have a blue cover. Dutch passports have a red cover.
Arthur Hammond would not be allowed to accompany Justin to the Eurostar train. Eurostar has an airline-style check-in procedure, and only passengers holding tickets can reach the platforms.
When Tessa is videochatting (under Windows XP) the FFWD/REW controls are clearly visible in the interface. Above the video a text can be read "Buffering 500 mbps", a speed which is impossible to achieve on most lines, especially the consumer-grade connection that the German activist is using.
Tessa's laptop was clearly a Apple Power Book running Mac OSX, however, during the montage where she was viewing video clips from the web, one set of movies had Windows XP graphics.
Computer monitors do not produce focused images.
When Justin is in Germany, and he walks up to a crossing, the camera pans by two mature female extras. One stares right into the camera and sticks her tongue out.
When Tessa plays a QuickTime movie, the movie's counter stays at 0:00 and the progress indicator doesn't move.
In the credits at the end of the film, "Editing" is spelled "Edting."
Berlin Main Station opened in June 2006, the building took more than 10 years. Before this. Trains only passed through the station, but did not stop there. So, Justin Quayle cannot have arrived at Berlin Main Station in 2004, when the movie is set, as it is implied. Also, long distance trains only stop underground. The tracks above ground are reserved only for regional trains.
As Justin enters his Berlin hotel room, the shadow of the crew can be seen moving across the door.