Joanna Simpson

Self

Robert Brown

Self

Diana Parkes

self - Jo's Mother

Hetti Barkworth-Nanton

Self - Jo's Friend

Belinda Skudder

Self - jo's Friend

Melanie Savage

Self - Senior Interviewing Officer

Steve Tolmie

Self - Senior Investigating Officer

Corrine Bowler

Self - Family Liaison Officer

Simon Parkes

Self - Jo's Stepbrother

Philip Joseph

Self - Consultant Forensic Psychiatrist (Prosecution)

Alex Chalk

Self - Justice Secretary

Victoria Ward

Self - Reporter, The Telegraph

John Hunter

Self - Forensic Archaeologist

John Price

Self - Criminal Barrister

David Barrett

Self - Home Affairs Editor, Daily Mail

David Trickey

Self - Consultant Child Psychologist

Charles Hymas

Self - Home Affairs Editor, The Telegraph