The Ace of Scotland Yard
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.
Release Date: 1929-09-30
Crauford Kent
Inspector Angus Blake
Florence Allen
Lady Diana Blanton
Albert Prisco
Prince Darius (as Albert Priscoe)
Monte Montague
Jarvis
Grace Cunard
Mary Duveen- aka Queen of Diamonds
Herbert Prior
Lord Blanton