The Ace of Scotland Yard (1929)

From the Universal synopsis: Retired Inspector Blake of Scotland Yard learns that Lord Blanton has acquired the sacred "Love Ring"---a cursed jewel that has brought grief to its previous owners. Prince Darius seeks to obtain the ring, and the mummy of a princess of an ancient country to return them to his homeland. Blake and his servant, Jarvis, find a card---The Quee...

Florence Allen

as Lady Diana Blanton

Grace Cunard(1893-1967)

as Mary Duveen- aka Queen of Diamonds

Crauford Kent(1881-1953)

as Inspector Angus Blake

Monte Montague

as Jarvis

Herbert Prior(1867-1954)

as Lord Blanton

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