The Rescue star Eddie Peng on how he nearly died shooting the action film and the unsung heroes of the Chinese Coast Guard

• Getting tangled up in a wire underwater with no one to help was just one of the challenges Peng came up against during filming of Dante Lam’s new blockbuster
• He says he wanted to reveal the emotional lives of the movie’s sea rescue crew, a group who never know whether their next operation will be their last