Elenco

• 

  Basil Rathbone

  Sherlock Holmes

• 

  Nigel Bruce

  Dr. John Watson

• 

  Dennis Hoey

  Inspector Lestrade

• 

  Evelyn Ankers

  Naomi Drake

• 

  Miles Mander

  Giles Conover

• 

  Ian Wolfe

  Amos Hodder

• C

  Charles Francis

  Francis Digby, curator

• 

  Holmes Herbert

  James Goodram, courier

• 

  Richard Aherne

  Museum Guard Bates

• 

  Mary Gordon

  Mrs. Hudson