Embassy

Embassy is a 1972 British spy thriller film directed by Gordon Hessler, written by John Bird and William Fairchild, and with music scored by Biddu. It is based on the 1969 novel of the same title by Stephen Coulter. It was shot on location in Beirut where the film is set, whereas the novel had been centred in Paris.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.