Chinese ventriloquist Gordon Cobb is murdered by a gang of jewel thieves. Baffled by the contradictory clues, Inspector Queen asks his son Ellery to help out.
Ralph Bellamy
Ellery Queen
Margaret Lindsay
Nikki Porter
Charley Grapewin
Insp. Queen
Anna May Wong
Lois Ling
James Burke
Sgt. Velie
Eduardo Ciannelli
Count Brett (as Edward Ciannelli)