Bob Hogan is a high ranking CIA agent in Britain working from Grosvenor House, the US embassy. Hogan is an ally or enemy of the team at times, however he normally will work with his counterpart Harry Pearce. Hogan was introduced as an initial enemy after it was revealed he fed false intelligence to Section D. However he has provided reliable intelligence. He is no longer working for the CIA, he tricked Adam and Jo into trusting him. He then sold them to a ruthless group known as the Redbacks.