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Apr 4, 1994 · 50 min
The Mazarin Stone, a famous jewel, acts as a magnet for crime. Holmes investigates the latest and perhaps most curious episode in its adventures.
Charles Gray
Mycroft Holmes
Phyllis Calvert
Agnes Garrideb
Barbara Hicks
Emily Garrideb
Helen Ryan
Princess of Wales
Jon Finch
Count Sylvius
James Villiers
Lord Cantlemere
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