• 
  Andrew Flintoff

   Himself - Host (3 episodes, 2015)
• 
  Stephen Mark Doran

   Self
• 
  Reggie Yates

   Himself - Host (3 episodes, 2017)
• 
  Kelechi Okafor

   Recruit Okafor (3 episodes, 2017)
• 
  Andy Gatenby

   Soldier (6 episodes, 2015)
• 
  Katy Parrot

  6 episodes, 2017
• 
  Danny Bent

  12 episodes, 2015-2017
• 
  Ray Care

  Self - Instructor

• 
  Itay Gil

  Self - Instructor
• 
  Clinton Agnew

  Self - Special Forces Expert
• 
  Jason Falla

  Self - Special Forces Expert
• 
  Rafal Nowakowski

  Self - Special Forces Expert
• 
  Ken Rhee

  Self - Special Forces Expert
• 
  Terence Schappert

  Self - Special Forces Expert
• 
  Bruno Tauziere

  Self - Special Forces Expert

• 
  Woodie Mister

  Self - Instructor
• 
  Yanne Delrue

  Self - Special Forces Expert
• 
  Bob Podesta

  Self - Instructor