In the 1987 classic *Dirty Dancing*, Patrick Swayze gave one of cinema’s most iconic performances as Johnny Castle—but the role nearly broke him physically. Swayze had a long-standing knee injury that worsened during the film’s intense choreography, leaving him in constant pain and requiring fluid to be drained. Refusing painkillers to stay sharp, he pushed through the agony. The legendary final lift scene was especially dangerous, with only one chance to succeed before his knee gave out. Agains