This is one of my favourite early examples of the dog-eat-dog world in prison as the young “Marlowe” (Robert Montgomery) is sent down for a decade after a road accident led to a fatality. Not surprisingly, he’s as anxious as hell - not least when he learns that he is to share facilities with “Morgan” (Chester Morris) and convicted murderer “Butch” (Wallace Beery). The governor (Lewis Stone) is broadly sympathetic,…