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.
Crauford Kent
as Inspector Angus Blake
Florence Allen
as Lady Diana Blanton
Albert Prisco
as Prince Darius (as Albert Priscoe)
Monte Montague
as Jarvis
Grace Cunard
as Mary Duveen- aka Queen of Diamonds
Herbert Prior
as Lord Blanton
