"Graham" redirects here. You may be looking for Graem Bauer, from Days 5 and 6.
Colonel Ted Graham was one of the U.S. military officers present in Seoul, South Korea, during Day 2.
Colonel Graham and a number of other U.S. officers attended the interrogation of Jason Park by a team of South Korean torturers, including Deng and Mina. After Deng reported the results of the torture, Graham informed Eric Rayburn of the NSA that a nuclear attack against the United States of America would occur that same day.
Colonel Graham: When?
Colonel Graham: Get me Eric Rayburn, NSA.
Background information and notes
Graham's first name can be seen in the scripts for the premiere episode of Season 2.
On Graham's uniform is the patch of the 2nd Infantry Division, a real-life army unit that is based in South Korea.