Mystery
Detective Ellery Queen aids Free Dutch agents battle Nazi spies over a prize of industrial diamonds.
Directors
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
Directors
Top picks
TV shows and movies just for you
Box office
Budget
$0Gross worldwide
$0More to explore
Editorial lists
Related lists created by IMDb editors
- The Billion-Dollar Film Club: 50+ Movies to Reach $1 Billion Worldwideupdated 1 day ago • 52 images
- The most anticipated sequels, prequels, and spin-offs coming in 2023updated 4 days ago • 26 images
- The best things to watch this weekend: Dec. 16 - Dec. 19updated 2 months ago • 7 images
- December Picks: The Movies and TV You Can't Missupdated 2 monts ago • 20 images
- New and upcoming sequels, prequels, and spin-offsupdated 3 monts ago • 45 images
