Clark Gregg is an American actor, screenwriter and director, born in Boston, Massachusetts on April 2, 1962. He has attended Ohio Wesleyan University, NYU and Tisch School of the Arts. He received his bachelor of fine arts degree from NYU where he trained with David Mamet and William H. Macy. With them, he co-founded New York's famed Atlantic Theater Company, serving as one of the company's first artistic directors. Since moving to Los Angeles in the 1990s, Gregg has put together an impressive body of work in film and television.
First known as Douglas Panton on the 1989 historical drama Fat Man and Little Boy, Clark Gregg worked on many guest starring and recurring roles. He was seen on episodes of Law & Order, The Young Indiana Jones Chronicles and the TV miniseries A Woman Named Jackie. In 1995, he had a role in the crime film The Usual Suspects, directed by Bryan Singer. Gregg later found himself on the series The Commish, Central Park West and Touched by an Angel. He has also been featured in a number of roles on films, although most of them were supporting ones. Gregg was seen on Lovely & Amazing, In Good Company and The Human Stain. In 2000, he wrote the screenplay for the popular thriller What Lies Beneath, working with stars like Harrison Ford and Michelle Pfeiffer. That year and onwards, Gregg was cast in other TV series, earning guest spots on Sports Night, Sex and the City, The Practice, and Will & Grace. He later became known for playing the recurring role of FBI liaison Agent Michael Casper on The West Wing, and later made an appearance on The Shield and CSI: NY. In 2006, he was cast on the horror film When a Stranger Calls, before he landed the part of Richard Campbell in the Comedy series The New Adventures of Old Christine. He starred opposite his wife, Jennifer Grey, on the romantic comedy The Road to Christmas, and had a role in the 2008 blockbuster film Iron Man. He has also been credited as the director of the film adaptation of Chuck Palahniuk’s novel Choke, starring Sam Rockwell.