When Derek Thompson filmed his final scenes as Casualty ’s Charlie Fairhead it was one of the most emotional moments of his life. “I don’t want to spoil it by saying whether or not he survives, but everything felt heightened when I filmed my last scenes,” says Derek. “It felt like one of those big emotional moments in your life, like the birth of a child or your wedding.” On Saturday night, fans saw Charlie get stabbed by a patience.