• 
  Geoff Pierson

   Narrator (2 episodes, 2016)
• 
  Dave Michael Beaudrie

   Harold Anderson (2 episodes, 2016)
• 
  Dean Bruni

   First Officer Bill Rataczak (2 episodes, 2016)
• 
  Lily Delamere

   Tina Mucklow (2 episodes, 2016)
• 
  Holly Houk

   Alice Hancock (2 episodes, 2016)
• 
  Andrew Stiko

   Bill Mitchell (2 episodes, 2016)
• 
  Joe O'Dell

   D.B. Cooper (2 episodes, 2016)
• 
  Billy Jensen

   Himself - Investigator (2 episodes, 2016)

• 
  Robert Rackstraw

  2 episodes, 2016
• 
  Steven T. Bartlett

  Seattle Air Traffic Control
• 
  Tomas Johansson

  Passenger
• 
  Armin Nasseri

  FBI Sketch Artist
• 
  Don Ray

  Self - Investigator
• 
  Eric Sahlstrom

  FBI Investigator
• 
  Dustin Schmaus

  Seattle Air Traffic Controller