Title : Terror by Night
Genre : Mystery
Cast : Basil Rathbone (Sherlock Holmes), Nigel Bruce (Dr. John H. Watson), Alan Mowbray (Major Duncan-Bleek), Dennis Hoey (Inspector Lestrade), Mary Forbes (Lady Margaret Carstairs), Renee Godfrey (Vivian Vedder), Frederick Worlock (Prof. William Kilbane), Janet Murdoch (Mrs. Shallcross), Gerald Hamer (Alf Shallcross), Geoffrey Steele (Roland Carstairs), Skelton Knaggs (Sands - Moran's Accomplice), Boyd Davis ("Inspector MacDonald"), Billy Bevan (Conductor Taking Tickets), Leland Hodgson (Senior Conductor), Charles Knight (Baggage Car Guard), Harry Cording (Mock the Undertaker), Bobby Wissler (Mock Jr.), Gilbert Allen (Dining Car Steward)
Movie Plot : Holmes is hired by Roland Carstairs to prevent the theft of the Star of Rhodesia, an enormous diamond owned by Carstairs' mother, Lady Margaret. Believing the diamond will be stolen on a train trip from London to Edinburgh, Holmes deftly switches diamonds with Lady Margaret while in her compartment. Soon after, Roland is murdered and the fake diamond is stolen.