Superheroes TV Agents of SHIELD… Clark Gregg spills some SHIELD beans. April 21, 2013December 16, 2015 ColonelFrog Agent Coulson, Agents of Shield, Clark Gregg 0 min read Actor Clark Gregg, aka Agent Coulson, spills some beans on the forthcoming Agents of S.H.I.E.L.D TV show. Oh Clark, you tease! S.H.I.E.L.D me!