'The Fourth Protocol' is a solid conspiracy thriller starring Michael Caine as a British MI5 agent, John Preston.
Preston catches wind of a false flag plot that a KGB agent is planning to carry out atomic attack on a U.S airbase located on British soil, which would effectively dissolve NATO. A crack Soviet agent, placed under cover in a quiet English country town, begins to assemble a nuclear bomb, whilst MI5 agent John Preston attempts to prevent it's detonation. The Fourth Protocol movie reviews & Metacritic score: John Preston (Michael Caine) is a British Agent with the task of preventing the Russians detonating a nuclear explosion next to an American base in the UK. Directed by John Mackenzie | Starring: Pierce Brosnan, Michael Caine, Joanna Cassidy, Ned Beatty Plan Aurora, led by Kim Philby is a plan that breaches the top-secret Fourth Protocol and turns the fears that shaped it into a living nightmare. The Fourth Protocol (1987) Turn off light Favorite. John Preston is a British Agent with the task of preventing the Russians detonating a nuclear explosion next to an American base in the UK.