John Musgrave was a IMF operative. He was the agent who assigned Ethan Hunt to rescue Lindsey and brings Hunt out of his semi-retirement. It is revealed that he is actually working with Owen Davian and he framed Theodore Brassel so the other thought Theodore was the traitor. He reveals to Ethan Hunt that it is pointless to kill Owen Davian, because 10 more men like him would quickly take his place. He believed that working with Owen Davian was a better alternative. He is shot by Julia while in Shanghai, China.