• 
  Piers Morgan

  2 episodes, 2017-2018
• 
  Dawn Knox

  Self - Daughter of Catherine Barry
• 
  Mike Luster

  Self - Detective
• 
  Tom Coffman

  Self - Work Colleague
• 
  Carl Kegler

  Self - Detective
• 
  Mike Bradley

  Self - Neighbour
• 
  Penny Bradley

  Self - Neighbour
• 
  Kristy Childs

  Self

• 
  Kristine Olsson

  Self - DNA Analyst
• 
  Christine Alombro

  Self - News Reporter
• 
  Rhonda Bishop

  Self - Pamela Ray's Sister
• 
  Sheila Conway

  Self - Donna Callahan's Sister-in-Law
• 
  Leslie D'Ambrosia

  Self - Criminal Profiler
• 
  Ray Dyal

  Self - Special Agent
• 
  Dennis Haley

  Self - Special Agent

• 
  Patricia Haley

  Self - Dennis Haley's Ex-Wife
• 
  Alejandro Henriquez

  Self - Bronx Serial Killer
• 
  Lorenzo Gilyard

  Self - The Kansas City Strangler
• 
  Angie Knight

  Self - Donna Callahan's Daughter
• 
  Mark Riebe

  Self - Serial Killer
• 
  Claudette Taylor

  Self - Ronda's Mother