Detective Ellery Queen aids Free Dutch agents battle Nazi spies over a prize of industrial diamonds.
Director: James P. Hogan
William Gargan
Ellery Queen
Margaret Lindsay
Nikki Porter
Charley Grapewin
Inspector Richard Queen
Gale Sondergaard
Mrs. Van Dorn
Gilbert Roland
Paul Gilette
Sig Ruman
Heinrich, Spy Leader
James Burke
Police Sergeant Velie
Final Act
The Mandarin Mystery
A Close Call for Ellery Queen
A Desperate Chance for Ellery Queen
Ellery Queen and the Murder Ring
Ellery Queen and the Perfect Crime
Ellery Queen, Master Detective
Ellery Queen's Penthouse Mystery
The Spanish Cape Mystery
Memento
Anatomy of a Murder
Rats Don't Have Wings
