Alcatraz Island Engineers began fortifying the island, work which continued until 1858, eventuating in Fortress Alcatraz. The island's first garrison at Camp Alcatraz, numbering about 200 soldiers and 11 cannons, arrived at the end of that year. When the American Civil War broke out in 1861, the island mounted 85 cannons (increased to 105 cannons by 1866) in casemates around its perimeter, though the small size of the garrison meant only a fraction of the guns could be used at one time. At this time it also served as the San Francisco Arsenal for storage of firearms to prevent them falling into
June 1962 Alcatraz escape attempt Island served as a prison. The film "Escape from Alcatraz" (1979) stars Clint Eastwood, Fred Ward, and Jack Thibeau as Morris, John Anglin, and Clarence Anglin, respectively. West (fictionalized as a character named Charley Butts) was played by Larry Hankin. The escape was shown in a two-part 1980 TV movie made by Telepictures Corporation (now owned by Warner Bros.): "", which starred Ed Lauter as Morris, and Louis Giambalvo and Antony Ponzini as the Anglins. "Terror on Alcatraz" (1987) starring Aldo Ray as Morris, returning decades later to the scene of his escape from Alcatraz, scours his old prison cell