STORY
Government agent Dick Barton battles a ring of Nazi spies who are planning to poison the entire London water supply.
CAST & CREW
- Don Stannard
- George Ford
- Jack Shaw
- Gillian Maude
- Geoffrey Wincott
Cast
- Eric Veendam
- Alfred J. Goulding
Directors
INFORMATION
- Henry Halstead Productions
- Hammer Film Productions
Production Companies
- United Kingdom
Production Countries
LANGUAGES
- English
