• 
  Samantha Harris

  Herself - Host
• 
  Susan Peters

  Herself - KAKE-TV News
• 
  Ann Rule

  Herself
• 
  John Sandford

  Himself
• 
  Gregg McCrary

  Himself - Former FBI Profiler
• 
  Charlie Otero

  Himself
• 
  Glen Horn

  Himself - KAKE-TV News Director
• 
  Howard Brodsky

  Himself - Psychologist (as Dr. Howard Brodsky)

• 
  Michael Clark

  Himself - Dennis Rader's Pastor (as Rev. Michael Clark)
• 
  Steve Mardigian

  Himself - Former FBI Profiler
• 
  Richard LaMunyon

  Himself - Former Wichita Police Chief
• 
  Larry Hatteberg

  Himself - KAKE-TV News

• 
  Aileen Wuornos

  imagini de arhiva
• 
  Hilary Heath

  miscellaneous crew
• 
  Michael Rooker

  Himself

• 
  Charlize Theron

  Herself
• 
  Bill Ratner

  Narator
• 
  Patricia Cornwell

  Herself - author
• 
  John Carpenter

  Himself
• 
  Steve Railsback

  Himself