Movies love prisons: strip away the distractions of life and the camera can zero in on character and base human struggles for freedom, survival and control. Not including Holocaust.
These are the 25 best I've watched so far.
WIP: Cool Hand Luke, Stalag 17, White Heat, A Man Escaped, Le Trou, Papillon (73), The Raid 2, Escape from Alcatraz, I am a Fugitive from a Chain Gang, Out of Sight, Hunger, Brute Force, Birdman of Alcatraz, Runaway Train, The Hill, Dead Man Walking, Shoeshine, Stir Crazy, Chopper, the hurricane, Escape from NY