Terror by Night

Holmes and Watson board a passenger train bound from London to Edinburgh, to guard the Star of Rhodesia, an enormous diamond worth a fortune belonging to an elderly woman of wealth; but within the first hour of the trip, the woman's son is murdered and the diamond stolen and any of the passengers in their car could be the killer thief.

• 
  Basil Rathbone

  Sherlock Holmes
• 
  Nigel Bruce

  Dr. John H. Watson
• 
  Alan Mowbray

  Major Duncan-Bleek
• 
  Dennis Hoey

  Inspector Lestrade
• 
  Renee Godfrey

  Vivian Vedder
• 
  Frederick Worlock

  Prof. William Kilbane
• 
  Mary Forbes

  Lady Margaret Carstairs
• 
  Skelton Knaggs

  Sands - Moran's Accomplice
• 
  Billy Bevan

  Conductor Taking Tickets
• 
  Gerald Hamer

  Alf Shallcross (uncredited)