direct by john frankenheimer and best know for his political thriller and this be one of the few film to take a serious look at the increasingly popular thrill sport of sky diving . burt lancaster and gene hackman and scott wilson represent three different point of view of sport parachuting . for hackman it be a business and for wilson it be about escape and acceptance and for lancaster it be something more personal . seven gift amateur sky diver do over 2000 jump to create the stunt work in this film . between uncooperative wind and rain and with setting in part of seven different kansa location they manage to pull together this film and which will have you on the edge of your seat all the way through . excellent support turn be put in my debra kerr and william windom .