• 
  Shaun Dooley

   Narrator (4 episodes, 2013-2014)
• 
  Shaun Dooley

   Narrator (4 episodes, 2013-2014)
• 
  Guy Martin

   Himself
• 
  Laura Trott

   Herself
• 
  Guy Westgate

   Himself
• 
  Scott Moran

  Self
• 
  Bobby Unser

  Self
• 
  Cameron Whitworth

  Self

• 
  Sebastien Loeb

  Self
• 
  Frank Williams

  Self - Team Principal Williams
• 
  Steve Nielson

  Self - Sporting Manager Williams
• 
  Jonathan Williams

  Self - Principle (Williams Heritage Centre)
• 
  Mark McCarville

  Self - Guy's motorcycle mechanic
• 
  Paul Walker

  Self - Human Performance Specialist Williams
• 
  Dickie Stanford

  Self - General Manager (Williams Heritage Centre)

• 
  Mark Pattinson

  Self - Chief Mechanic Williams
• 
  Karun Chandhok

  Self - Mentor & Driver (Williams Heritage Centre)
• 
  Ben Howard

  Self - No 1 Mechanic Williams
• 
  Rob Wilson

  Self - Racing Instructor
• 
  Rob Smedley

  Self - Head of Performance Engineering Williams
• 
  John Judd

  Self - Head (Judd Engine Developments)
• 
  Andy McMillan

  Self - No 2 Mechanic Williams
• 
  David Coulthard

  Self