Kevin McKidd, known for Grey's Anatomy and Trainspotting, has been cast as the lead actor in a new ITV thriller, The Only Suspect, adapted by Trigger Point's Simon Ashdown and produced by Red Planet Pictures. The show is set in a leafy London suburb and follows the story of a young man who buries a body during a violent storm 30 years after it was discovered. The series will be distributed internationally by Fremantle and filming is set to begin in London this spring.