Trevor McDonald

Self - Presenter

Jon House

Self - Stephen Fulcher

Colin Adrian

Self - Christopher Halliwell

Nyna Green

Self - Sian O'Callaghan

Samantha Phelps

Self - Deborah Peach

Riley Jones

Self - PC Danny Jones

Steve Brodie

Self - BBC Correspondent

Charlie Edwards

Self - Becky's Stepfather

Karen Edwards

Self - Becky's Mother

Steve Fulcher

Self - Wiltshire Police

Sebastian Gardiner

Self - Barrister

Rob Murphy

Self - ITV Correspondent

Liam O'Callaghan

Self - Sian's Brother

Mick O'Callaghan

Self - Sian's Father

Deborah Peach

Self - Enquiry Team

Elaine Pickford

Self - Sian's Mother