Bulloch breaks through into the basement wearing motorcycle goggles, which stay on until he sees the mamba, when they are suddenly up over his helmet with no time for him to take them off his face.
On the opening credit sequences the drive from the London American School to the Hopkin's home shows the car going towards the Kensington Barracks tower block then alongside Regents Park next its coming through Admiralty Arch down the Mall then in Oxford Street approaching Marble Arch then at a roundabout at Knightsbridge, Park Lane /,Piccadilly junction the car comes round as if it's come from Grosvenor Place and goes right round to Constiution Hill junction then it cuts to just coming up Constitution Hill from Buckingham Palace then cuts to Eton Place.
There is no way that was a real black mamba due to the nature of that type of snake. The black mamba is one of the world's deadliest snakes and it would have been too dangerous to have actors and crew anywhere near it. They clearly used a similar looking snake.
When Dr. Stowe is told to get up by Klaus Kinski, she anticipates the terrorist's action by grabbing the scarf before Kinski wraps her hand in it.
On several occasions Klaus Kinski's character calls out loudly to
Nicol Williamson's character who is standing out in the street but when Williamson replies it is too soft and quiet for him to be heard by Kinski.