The original author Robert Bell played a CIA official in the film.
Michelle Monaghan originally had a scene in the film, but due to the audience's reaction that the film was too long during the trial screening, her plot was cut.
Gritai Skaqi played Bob Barnes's wife in the film, but the role was later cut.
In order to meet the characteristics of the role, Clooney gained 35 pounds in a month and kept a shaved beard, just like a middle-aged man in the market.
An accident in the acrobatics caused Clooney's cervical spine injury, which caused a severe migraine. One month of bed rest caused him to miss the "Twelve Arhats" promotional activities, and finally had to rely on surgery to relieve the pain.
In the first draft of the script, Bob’s last name is not Barnes but Bell, the same name as the original author Robert Bell.
When the crew was shooting a set of camels marching in the UAE, they suddenly found a group of Omani soldiers standing in front of them. It turned out that they had crossed the southeast border of the UAE and entered Oman.
The filming time of the film coincided with the Muslim month of Ramadan. During this time, Muslims did not eat during the day. Gagan and some of his Western colleagues were so hungry that they had to hide under the dashboard of the car to eat something. Offend the locals.
After the crew got permission to shoot and entered the UAE, they were resisted by the locals. Fortunately, a general in the UAE military helped to speak, and the crew was able to start shooting.
In order to play the role of an undercover operator in the Middle East, George Clooney needs to learn Arabic. At the beginning, he could not speak a word. With the help of a language teacher, he used English pinyin to memorize his lines verbatim, and then slowly corrected his tone.
