Factual error: Conrad's rank badges as a second lieutenant are oval Garter Stars. This would be correct for the Grenadier Guards from 1919, but during the First World War the Guards regiments wore the standard British Army diamond-shaped Bath Stars (pips).
The King's Man (2021)
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Directed by: Matthew Vaughn
Starring: Ralph Fiennes, Gemma Arterton, Harris Dickinson
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The Shepherd: My flock, this will not be the war of heroes. Nations will slaughter each other, while we get rich. This is going to be fun.
Trivia: There is an extra scene with Adolf Hitler, Lenin, and the Shepherd's assistant that comes on after the credits roll.