W5 and Richard Crouse did a wonderful story on Andy Malcolm, who provides the "live" sound effects (or foley) for movies all over the world. He's located on a very odd farm-like place in Uxbridge. And some of the contraptions he uses to fill in the sound for movies is quite amazing. Worth a watch if this kind of stuff interests you. 

The Canadian who creates the real, but fake, sounds in Hollywood blockbuster films