Superstar clint eastwood and director don siegel re team for their fifth film in this fascinating account of the only three men ever to escape from the infamous maximum security prison at alcatraz'. '.strtoupper('i')n 29 years, the seemingly impenetrable federal penitentiary, which housed al capone and 'birdman' robert stroud, was only broken once by three men never heard of again.eastwood portrays frank morris, the cunning bank robber who masterminded the elaborately detailed and, as far as anyone knows, ultimately successful, escape'. '.strtoupper('p')atrick mcgoohan is a superb counterpoint as the suspicious warden.filmed on location in alcatraz, this gritty and realistic re enactment of the true story has all the power one expects from an eastwood siegel movie.