• 
  Shane Ryan

  Brandon
• 
  Mindy Robinson

  Grace The Reporter
• 
  Ashley Smith

  Ashley
• 
  Sabrina Culver

  Stacy Miller
• 
  Kathryn Eastwood

  (archive footage)
• 
  Michael Lake

  Jared Oakley
• 
  Jason Impey

  Officer Joe Newton
• 
  Lia Marie Johnson

  (archive footage)

• 
  Glenn Berggoetz

  Bill Carl
• 
  Cris Cochrane

  Samael 'Sam' Dubhan
• 
  Thomas Gangstad

  Crazy fan
• 
  Ice Cool

  Chad
• 
  Gary Lee Vincent

  Agent Walker
• 
  Dywayne Thomas

  John Murphy
• 
  Donald Trump

  Donald Trump (archive footage)

• 
  Barack Obama

  Barack Obama (archive footage)
• 
  Derrick Gilbert

  Young kid
• 
  Sophia Cacciola

  Kelly Thompson (segment: Cable 54 News - Why Do Killers Kill?)
• 
  Ken Holmes

  Miguel 'Snakeskin' Perez
• 
  Chris Miller

  Deranged Interviewer
• 
  Leah Coonce

  Karen (Segment "Every Black Sheep Has a Family")
• 
  Richard Chandler

  Biker
• 
  Michael J. Epstein

  Dr. Aleister St. Martin (segment: Cable 54 News - Why Do Killers Kill?)
• 
  Hunter Ott

  Hunter Schmidt
• 
  Travis Lance Sosa

  Robert
• 
  Rosann Ferrier

  Jan Parsons -Criminal Psychology
• 
  Bryden Elliott DiGennaro

  Victim's Friend
• 
  Josh Outzen

  Ted Bundy Admirer
• 
  Brandi Aguilar

  Piper Lopez
• 
  Urszula Makowska

  Interviewee
• 
  Teresa Tuttle

  Reid's mom
• 
  Navah Raphael

  Parker Rhodes
• 
  Val Tannuzzi

  Alejandra Gomez
• 
  Klaudia Lucia Wyzykiewicz

  Actress
• 
  Axle Gunn

  Detective
• 
  Gant Montgomery

  Officer Thompson
• 
  Delaney Vallese

  Victim's Sister
• 
  Josh Hayes

  Dr. Ian Gensuse (segment "Sue")
• 
  Steven Perillo

  Interviewee
• 
  Kelley Wilson Robinson

  Roxie
• 
  Ethan Levy

  Gerald
• 
  Acadia Colan

  Serena
• 
  Dean Houlihan

  Simon
• 
  Nakada Wilson

  Ex Girlfriend