In the Book
In the Movie
This did not happen in the book.
Mendez brings the Americans on an outing at a market to give them practice “being a movie crew”. It does not go well for them as they are approached by and insulted by various Iranian residents. Some of the Americans do not trust Mendez.
This did not happen in the book.
Mendez gets a call on Taylor's secure phone and told that the extraction is being canceled because the military is planning on a rescue mission.
This did not happen. The office was shut down only after the rescue mission was complete.
John Chambers, in Hollywood, is told that the mission is off and to shut down the office.
The mission was already given the go-ahead by President Carter.
Mendez calls the CIA and tells them that he is taking the Americans out of Iran. His boss is unable to get the tickets confirmed for the flight out unless he has President Carter's authorization.
This did not happen as the airline tickets were supplied by the Canadians.
Jack O'Donnell fights with his boss about the mission and tells him to call the director about the tickets. O'Donnell contacts his superiors and convinces them to confirm the air tickets for Mendez and the six Americans.