24 Agent Jack is a character from the popular television series 24. He is portrayed by Kiefer Sutherland and is an agent of the Counter Terrorist Unit (CTU). Jack BAUER is a highly skilled agent who is willing to do whatever it takes to protect the United States from terrorist threats. He is known for his quick thinking and resourcefulness in the face of danger. He is also known for his loyalty to his country and his dedication to his job.