• 
  David Wilson

   Himself - Presenter (6 episodes, 2015)
• 
  Alina Ioana Șerban

  Marian Mackay
• 
  Kathryn Mincer

  Joanna Dennehy
• 
  Dan Mullins

  Dennis Rader
• 
  Guy Slocombe

  Peter Moore
• 
  Pete Steel

  Steve Wright
• 
  Mandee Arnold

  Tania Nicol
• 
  Eddie Ruben

  Principal Cast

• 
  Tony Hamilton

  Principal Cast
• 
  Margot Richardson

  Isabella Griffith
• 
  James Simpkin

  David Mulcahy
• 
  Ellie Dickens

  Adele Price
• 
  Marian Elizabeth

  Gemma Adams
• 
  Vanessa Guevara

  Principal Cast
• 
  Christian Lockwood

  John Treanor

• 
  Luke Ralfs

  Principal Cast
• 
  Kyle Martin

  John Francis Duffy
• 
  Jack Farrar

  Patrick MacKay