Other mistake: When Jennifer and Gary are scratching the messages to each other on the painted glass, the glass is painted black on both sides so they wouldn't be able to see each others scratchings as the paint on their side would cover the marks the other was making.
Captivity (2007)
1 other mistake - chronological order
Directed by: Roland Joffe
Starring: Elisha Cuthbert, Pruitt Taylor Vince, Daniel Gillies, Michael Harney
Other mistake: When Jennifer and Gary are scratching the messages to each other on the painted glass, the glass is painted black on both sides so they wouldn't be able to see each others scratchings as the paint on their side would cover the marks the other was making.