The Human Stain
Gregg was a founding member, and later artistic director, of the off-Broadway Atlantic Theater Company, which formed in 1983. Gregg has been featured in a number of supporting roles in films, such as "Lovely &amp; Amazing", "The Human Stain", and "In Good Company", and a number of guest spots on TV series, such as "Will &amp; Grace", "Sports Night", "Sex and the City" and "The West Wing". He also wrote the screenplay for the 2000 thriller "What Lies Beneath".