Robert Clark Gregg is an American actor, screenwriter, and director who is best known for his role as Agent Phil Coulson first appearing in Iron Man 1, Iron Man 2, Thor, and in the 2012 Marvel action film, The Avengers, the Marvel animated series Ultimate Spider-Man on Disney XD, and the ABC/Marvel television series Agents of S.H.I.E.L.D.. He reprised his role in the film, Captain Marvel.
In addition, he presented the live broadcast introduction of Disney Infinity: Marvel Super Heroes. He also played Calvin Trager in the ABC TV show, Sports Night and Dickinson in The Adventures of Young Indiana Jones: (Chapter 6) "Spring Break Adventure".
- Clark Gregg is the only member of the cast, to appear in every episode of Agents of S.H.I.E.L.D..