Eric Bogosian is an American actor, playwright, monologist, and novelist. He is best known for his roles in the films Talk Radio (1988) and Under Siege 2: Dark Territory (1995). He has also appeared in several television series, including Law & Order: Criminal Intent and Oz. He is also a prolific writer, having written several plays and novels. He is most well-known for his one-man shows, which he has performed on Broadway and off-Broadway.