evidence: Director Rob Cohen Had To Hold Back Vin Diesel In Terms Of Performing Stunts There are only a few scenes throughout xXx where Vin Diesel doesn't perform his own stunts, but he might have gotten his way (and found himself getting injured) if it weren't for director Rob Cohen putting the stop to a few of the actor's attempts. During an interview with Hollywood.com after the film's release, Diesel painted a picture of how those scenarios would play out: [...] Vin Diesel didn't sustain any serious injuries in performing a lot of his own stunts, but there was a brief moment during the avalanche scene where the crew, especially director Rob Cohen, thought the star of the film had broken his neck when he took a bad fall. Cohen explained the situation during an interview with Hollywood.com, stating: