When Audrey is in the Presidential limousine, in the wide shots, her headrest is up. In close-ups, the headrest is down.
(at around 10 mins) As Derek Yates is on the phone with Margot Al-Harazi, he is holding his phone upside down. The HTC-logo is upside down and the camera on the back of the phone is also not at the top of the phone.
When the episode starts at 12:00 the time on Big Ben shows 1:40pm.