Ventriloquist and world traveler Gordon Cobb is murdered by a gang of jewel thieves. Baffled by the contradictory clues, Inspector Queen asks his son, Ellery, to help out.
as Ellery Queen
as Nikki Porter
as Insp. Queen
as Gordon Cobb
as Sheila Cobb
as Sgt. Velie
as Lois Ling
as Count Brett (as Edward Ciannelli)
as Sanders
as Doc Prouty
as Harry Walsh
as McGrath
as Roy
as Jim Ritter
