When a bored Sherlock eagerly takes the case of Gabrielle Valladon following an attempt on her life, the search for her missing husband leads to Loch Ness and the legendary monster.
Top Cast
Robert Stephens as Sherlock Holmes
Colin Blakely as Dr. John Watson
Geneviève Page as Gabrielle Valadon
Christopher Lee as Mycroft Holmes
Tamara Toumanova as Madame Petrova
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