Terror by Night (1946) is a Mystery, Crime, Thriller film that follows 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. Currently, you can watch Terror by Night on Amazon Prime Video, fuboTV, MGM+ Amazon Channel, Starz Apple TV Channel. Streaming availability may vary by country and platform over time. It has a user rating of 6.6 out of 10 from 146 votes. Fans of mystery movies may also want to explore similar titles below.