Ellery Queen's Penthouse Mystery
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.
- Genre: Mystery
- Studio: Larry Darmour Productions
- Keyword: penthouse apartment, ellery queen
- Cast: Ralph Bellamy, Margaret Lindsay, Charley Grapewin, Anna May Wong, James Burke, Eduardo Ciannelli