The new thriller Betrayal, featuring Endeavour star Shaun Evans, has been given a confirmed released date on ITV1, and it's coming to screens soon! Shaun Evans as John Hughes and Romola Garai as Claire Wardly. Shaun Evans as John Hughes. ITVOn taking up the role, Shaun Evans said: "I was in from the get-go, really. Writer and executive producer David Eldridge added: "Betrayal began as a conversation with the actor Shaun Evans at the back end of 2019.