David HolmesSelf - Forensic Psychologist Jez NoyceSelf - Detective, Dorset Police Mark CooperSelf - Detective Superintendent, Dorset Police Phil JamesSelf - Detective Superintendent, Dorset Police Stuart BlackSelf - Environmental Scientist Gildo ClapsSelf - Elisa's Brother Denise Le VoirSelf - Heather's Sister Andy MartinSelf - News Editor, Daily Echo Caitlin MarshSelf - Heather's Daughter Koulla AnastasiExecutive Producer Steve AndersonExecutive Producer Annie DinnerHead Of Production Ceri HubbardAssistant Producer 