Clark Gregg is an American actor. His acting career began in the 1980s with roles in the films Things Change and Fat Man and Little Boy. In the ’90s, he starred in the films Clear and Present Danger, The Usual Suspects, and The Adventures of Sebastian Cole. In the 2000s, he starred as FBI Special Agent Michael Casper on The West Wing. He then became known for his role as Richard Campbell on The New Adventures of Old Christine. As of 2013, he stars as Agent/Director Phil Coulson on Agents of S.H.I.E.L.D.. In the 2010s, he starred in the movies Thor, The Avengers, Much Ado About Nothing, and Trust Me.