its johnny depp and uhhhhhhh the dude from traffic....benecio del toro. they go trip out in las vegas as a documentary kinda thing. they just keep on taking all these different drugs and shit and its crazy. its slow if you try to watch it sober man.,,,but its a good movie. other good drug movies:: Trainspotting, Spun, Wasted, Requiem For a Dream, those are just a few a lot of people havent seen that everyone should see. theres this other one Nick Stahl is in. he plays a great addict in drug movies. but there is this other one where he is a whore and heroin addict......i cant think of the name of that one. but check out those other movies up there^^ they are all pretty crazy.