When the fellow traveler is calling the police from the baggage claim, he brushes against the post and it can be seen to move.
Paul and Millicent's first conversation lasts for almost 3 minutes, yet the clock on the wall behind them remains at 2:15.
When the protagonist is led outside "for some air," she's carrying some small items in her hands, But neither the young man nor she is carrying her luggage before she is forcibly put into the police car. Her luggage is nowhere in sight.
Millicent Barnes is said to be 25 years old, but Vera Miles was 31 when she played the role.