It malfunctioned and crashed in a river after an assault by a swarm of whirring, snake-like robotic Hydrobots.Also, the film""s wonderful musical score by Alfred Newman is unforgettable.Ronald Colman, Douglas Fairbanks, and English actor Robert Newton were all considered for the role eventually played by British stage actor Laurence Olivier.He became morose and isolated, began to drink heavily, and on September 22, 1975, he was fired, effective in two weeks.Afterwards, Greer stated matter-of-factly, "It""s over" - but it wasn""t.Ryan and Greer didn""t know that Miller, O""Donnell, Annette and other comrades had already left the camp and departed for the US, for a second assassination attempt on Lord Holmes.