Watch Agent Number 9 for Free: How to Stream the Movie Online at 123Movies. . A documentary about the life of former U.S. Secret Service agent, Clint Hill, who served under five United States presidents from Eisenhower to Ford and is known for his act of bravery on November 22, 1963 — shielding Jacqueline Kennedy and the stricken president with his body as the car raced from Dealey Plaza to Parkland Memorial Hospital.