• 
  Karl Davies

  Arnold 'Skip' Wilkins
• 
  Laura Fraser

  Margaret Watson Watt
• 
  Lesley Harcourt

  Helen - Secretary
• 
  David Hayman

  Frederick Lindemann
• 
  Eddie Izzard

  Robert Watson Watt
• 
  Alex Jennings

  Henry Tizard
• 
  Celyn Jones

  Edward 'Taffy' Bowen
• 
  Tim McInnerny

  Winston Churchill

• 
  Julian Rhind-Tutt

  Albert Rowe
• 
  Iain McKee

  Higgy
• 
  Carl Heap

  Scientist
• 
  Stephen Chance

  Scientist
• 
  Joe Bone

  Bainbridge Bell
• 
  Nick Elliott

  Navy Guard
• 
  Arran Tulloch

  Pat