Charles Gaines
Pumping Iron is a 1977 documentary film about the run-up to the 1975 Mr. Olympia bodybuilding competition. The film focuses on Arnold Schwarzenegger and his competitors, Lou Ferrigno and Franco Columbu. The documentary was co-directed by Robert Fiore and George Butler. It was based on the book of the same name by Charles Gaines and George Butler (Simon and Schuster, 1974).
A dishonest businessman asks rich layabout Craig Blake to help him buy a gym, which will be demolished for a development project in Alabama. But after spending time with weightlifter Joe Santo and gym worker Mary Tate Farnsworth, Craig wants out of the deal. The property negotiations turn ugly, causing a brawl at the gym and a spectacle at a big bodybuilding meet, as Craig learns that it's not easy to turn your back on fair-weather friends.