Sherlock Holmes has retired. But when MacDonald asks him to take on another case, he says yes. There have been some mysterious murders, and there are no visible causes for the deaths. At the same time Holmes gets this case, Graf Udo Von Felseck gives him another case: find a young and missing prince to prevent war between Germany and England. But Von Felseck is not as honest as he seems...
Peter Cushing
Sherlock Holmes
John Mills
Dr. John H. Watson / Narrator
Anne Baxter
Irene Adler / Mrs. Norton
Ray Milland
Home Secretary
Anton Diffring
Graf Udo Von Felseck
Gordon Jackson
Inspector Alec MacDonald
Marcus Gilbert
Anton Von Felseck
Susan Penhaligon
Miss Derwent
