 Graham Chapman (qv)s alcoholism caused problems during filming,  and not just through Chapman repeatedly forgetting his lines. The  first day of shooting required Chapman to cross the Bridge of Death.  When working on "Monty Pythons Flying Circus," Chapman had been  used to drinking heavily to calm his nerves. He quickly discovered  to his dismay that the crew had no alcohol on the set, and the  nearest town was too far away for a quick trip to purchase any  liquor. Consequently he was visibly stressed, shaking, sweating, and  moving slow throughout the scene, yet he was known to be an  experienced rock climber. Ignorant of Chapmans alcoholism the crew  wondered if the heavy costume caused the stress; it was actually  alcoholism