|Appears in||Call of Duty 4: Modern Warfare (Nintendo DS)|
|Rank||Secretary of Defense|
|Affiliations||United States of America|
|Status||Alive; replaced by William Cullen|
|Level||First to Fight|
Christopher Martin was a United States Secretary of Defense featured in Call of Duty 4: Modern Warfare (Nintendo DS). He is seen in the news broadcast during the cutscene before "First to Fight". He plays a big role in the operations against Imran Zakhaev and Khaled Al-Asad. It is acknowledged by the news anchor that he is the source withholding the time and location of the American operation.