From Guardian Unlimited, Picture perfect:

Since the 1970s, Canadian photographer Jeff Wall has worked as if he's a cinematographer, using a cast and crew to create large-scale, dramatic images that can take more than a year to get right. But he also likes to take intimate, documentary shots. He tells Melissa Denes why they are two sides of the same coin

The interview is here, some of his works here, here, here, here (selected one of the "Works in Focus" links) and here. And some more information about him on this and this site.