There seems to be a misunderstanding. Glenn Greenwald is not a film actor but a journalist, author, and lawyer known for his work on civil liberties and political affairs. He gained prominence by reporting on the Edward Snowden NSA leaks in 2013. Greenwald co-founded The Intercept and is known for his critical views on government surveillance and media practices. He has written several books and is a frequent commentator on political and legal issues.