• 
  David Tomlinson

  Dick Lanchester
• 
  Cecil Parker

  Sir William Crane
• 
  George Pravda

  Hammler
• 
  John Welsh

  Major Turner
• 
  Richard Wattis

  Hugh Porlock
• 
  Arthur Lowe

  Auctioneer
• 
  Dora Bryan

  Miss Bradstock
• 
  Guy Deghy

  German Delegate

• 
  George A. Cooper

  Rudd
• 
  Captain John Crewdson

  Pilot
• 
  Cyril Shaps

  Dr. Spiegel
• 
  Peter Copley

  Garrod
• 
  Mary Peach

  Susan Turner
• 
  Victor Brooks

  Blake
• 
  Raymond Huntley

  Special Branch Chief

• 
  William Douglas-Home

  scriitor