Chris Chalk, born Christopher Eugene Chalk, is an American actor. He had a recurring role in the fourth season as Jody Adair. Chalk has also appeared in the series The Newsroom, Homeland, Person of Interest, Nurse Jackie, Law & Order: Special Victim's Unit, and Rescue Me. He has a recurring role in The Newsroom as reporter Gary Cooper. He played former marine and terrorist Tom Walker in the first season of Homeland.