CLARK GREGG Won't Be Playing COULSON in AGENTS OF S.H.I.E.L.D. Season 6

So who the heck could this doppelganger be?

via The Nerd Machine

https://www.newsarama.com/43774-clark-gregg-won-t-be-playing-coulson-in-agents-of-s-h-i-e-l-d-season-6.html