„Slow Horses“-Star Gary Oldman wurde von der Real Spy Agency MI5 angeworben, um ein Weihnachtsgedicht zu erzählen

> Titled “A Christmas Story from MI5,” the video shows various agents at their computers at the spy agency’s London headquarters Thames House (not Regent’s Park, as depicted in the TV series) while Oldman narrates in the voice of his “Slow Horses” character Jackson Lamb.