Robert Clark Gregg is an American actor, screenwriter and director. He co-starred as Christine Campbell's ex-husband Richard in the CBS sitcom The New Adventures of Old Christine, which debuted in March 2006 and concluded in May 2010. He is also known for playing FBI Special Agent Mike Casper on the NBC series The West Wing and Phil Coulson in the Marvel Cinematic Universe . Gregg was born April 2, 1962 in Boston, Massachusetts. He is the son of Mary Layne and Robert Clark Gregg, an Episcopal minister and professor at Stanford University. Gregg has been featured in a number of supporting... roles in films, such as Lovely & Amazing, In Good Company, and The Human Stain, and a number of guest spots on TV series, such as Will & Grace, Sports Night, Sex and the City and The West Wing. He also wrote the screenplay for the 2000 thriller What Lies Beneath. He is the director and screenwriter of the 2008 film Choke, based on the Chuck Palahniuk novel of the same name, starring Sam Rockwell. In 2008, Gregg appeared in the film Iron Man as S.H.I.E.L.D. agent Phil Coulson.
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