Matthew GravelleSelf - Narrator Richard JonesSelf - Head of Major Crime Rob CronickSelf - Senior Investigating Officer Dean LlewellynSelf - Detective Inspector Debbie SmithSelf - Katherine's Mother Matt WoodmanSelf - Detective Scott MeacockSelf - Interview Officer Siân GrantSelf - Family Liaison Officer Darren GeorgeSelf - Detective Chief Inspector Paul GiessSelf - Detective Chief Inspector Matt PowellSelf - Detective Inspector Bryan HeardSelf - Lead Negotiator Gareth JonesSelf - Detective Sergeant Emma Warner-BrinleySelf - Family Liaison Officer Jayne LockSelf - Detective Ed GriffithsSelf - Interview Coordinator Jade PettiferSelf - Katherine's Best Friend David WilliamsSelf - Jack's Brother Tony EatonSelf - Search Coordinator Rob GullifordSelf - Katherine's First Boyfriend Melanie DeereSelf - Family Liaison Coordinator Emma WilliamsSelf - Jack's Niece Iwan RobertsDirector / Producer Mike BlairExecutive Producer Phil ChappellCinematographer James HarriesCinematographer Paul HawkinsCinematographer Aled JenkinsCinematographer Paul RobertsCinematographer Mark Stroker-BrennanCinematographer Guto VaughanCinematographer Jonathan HillSeries Producer Iwan RobertsSeries Producer 
