Continuity mistake: In the scene when Galahad is taking Eggsy below ground at the Kingsman Tailor Shop, they enter the dressing room and the door is open with it still open in the mirror in the next shot. Then when they go below ground it is magically closed.
Kingsman: The Secret Service (2014)
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Directed by: Matthew Vaughn
Starring: Samuel L. Jackson, Colin Firth, Mark Hamill, Taron Egerton
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More mistakes in Kingsman: The Secret Service
Harry Hart: There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.
Trivia: Eggsy needs the code for the prison door that holds Princess Tilde. The code given is "2625." This spells out the word "anal" on a telephone keypad.
More questions & answers from Kingsman: The Secret Service
Answer: It was to test whether the candidates were willing to do whatever it takes to get the job done. If they were willing to shoot the dog they had been caring for, it means they would be willing to make a tough choice in the field to complete a mission.