dr. philip zimbardo who conducted the experiment, billy crudup, and director kyle alvarez.ow much does the film, in your judgment mirror reality? >> it mirrors reality of the experiment almost entirely. physically, it's identical. they sent a whole crew down to the basement, took videos and measurements. the only thing that's added is they've arranged a set so that they could lift the ceiling or the back doors off so the camera could go down and look into the cells. but the actual experiences were identical to what's happening in the study with the exception of the squeezing six days into two hours. so there were a lot of things even more dramatic they couldn't fit in. >> rose: what did you hope to prove or to establish or to discover? >> very simple human nature. to what extent is our sense of morale conscience morality fixed and permeable regardless of the situation or is it flexible, is it mod final or even corruptible when we're put in unfamiliar, new powerful situations? >> rose: is the answer that it is obviously corruptible? >> it's clearly mod final and in some peop