Plot
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.
Cast
Robert Stephens
Sherlock Holmes
Colin Blakely
Dr. John Watson
Geneviève Page
Gabrielle Valadon
Christopher Lee
Mycroft Holmes
Tamara Toumanova
Madame Petrova
Clive Revill
Nikolai Rogozhin
Irene Handl
Mrs. Hudson
Mollie Maureen
Queen Victoria
Stanley Holloway
Gravedigger
Catherine Lacey
Woman in Wheelchair
Peter Madden
Von Tirpitz
Michael Balfour
Cabby
Crew
Billy Wilder
Director
Billy Wilder
Writer
I. A. L. Diamond
Writer
Billy Wilder
Producer
Miklós Rózsa
Original Music Composer
Christopher Challis
Director of Photography
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