Overview

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.

Cast

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