STORY
Detective Ellery Queen aids Free Dutch agents battle Nazi spies over a prize of industrial diamonds.
CAST & CREW
- William Gargan
- Margaret Lindsay
- Charley Grapewin
- Gale Sondergaard
- Gilbert Roland
Cast
- James P. Hogan
Director
INFORMATION
- Columbia Pictures
Production Companies
- United States of America
Production Countries
LANGUAGES
- English
