Watch Protecting Princess Diana: The Bodyguard's Story for Free: How to Stream the Movie Online at 123Movies. . Diana, Princess of Wales. One of the most famous and most photographed women in the world. But with fame comes lack of privacy and the need for greater security. Inspector Ken Wharfe, Diana's royal protection officer, tells us first hand the truth about what life was really like for the princess. Revealing his affectionate account of his years protecting Diana from 1986 until 1993.