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Mackenzie Crook as Prado Museum Guard #1 and Toby Jones as Prado Museum Guard #2.
Mackenzie Crook is an English actor from county Kent. He appears in Muppets Most Wanted as a silent guard at the Prado Museum in Madrid, Spain (opposite Toby Jones).
An actor and comedian, Crook is best known for his work in the original UK version of The Office (as Gareth). and in the first three Pirates of the Caribbean movies (as one-eyed pirate Ragetti). More recent TV work includes a recurring role on HBO's Game of Thrones (as Orell in the third season) and a regular stint on the FOX series Almost Human.