Sherlock Holmes and the Voice of Terror

England, at the start of World War Two. Mysterious wireless broadcasts, apparently from Nazi Germany are heard over the BBC. They warn of acts of terror in England, just before they take place. Baffled, the Defense Committee call in Sherlock Holmes.

• 
  John Rawlins

• 
  Basil Rathbone
  Sherlock Holmes
• 
  Nigel Bruce
  Doctor Watson
• 
  Evelyn Ankers
  Kitty
• 
  Reginald Denny
  Sir Evan Barham
• 
  Thomas Gomez
  R.F. Meade
• 
  Henry Daniell
  Sir Anthony Lloyd
• 
  Montagu Love
  General Jerome Lawford
• 
  Olaf Hytten
  Admiral Sir John Fabian Prentiss
• 
  Leyland Hodgson
  Captain Roland Shore
• 
  Mary Gordon
  Mrs. Hudson
• 
  Hillary Brooke
  Jill Grandis
• 
  Harry Cording
  Camberwell
• 
  Herbert Evans
  Smithson - Barham's Butler (uncredited)
• 
  Fred Graham
  Meade's Henchman (uncredited)
• 
  Gavin Muir
  BBC Radio Announcer (voice) (uncredited)
• 
  Edgar Barrier
  Voice of Terror (voice) (uncredited)
• 
  Bobby Hale
  Bar Patron (uncredited)