They seriously said that:

A Republican ad that shows a couple of regular-looking guys commiserating in a diner about West Virginia Gov. Joe Manchin (D) turns out to have been shot with actors, from a script, in Philadelphia.

But not just any actors: “We are going for a ‘Hicky’ Blue Collar look,” read the casting call for the ad, being aired by the National Republican Senatorial Committee. “These characters are from West Virginia so think coal miner/trucker looks.”