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.

• Roy William NeillDirector
• Frank GruberScreenplay

• Basil RathboneSherlock Holmes
• Nigel BruceDr. John H. Watson
• Alan MowbrayMajor Duncan-Bleek
• Dennis HoeyInspector Lestrade
• Renee GodfreyVivian Vedder
• Frederick WorlockProf. William Kilbane
• Mary ForbesLady Margaret Carstairs
• Skelton KnaggsSands - Moran's Accomplice
• Billy BevanConductor Taking Tickets
• Geoffrey SteeleRoland Carstairs
• Janet MurdochMrs. Shallcross (uncredited)
• Gerald HamerAlf Shallcross (uncredited)