Government agent Dick Barton battles a ring of Nazi spies who are planning to poison the entire London water supply.
Government agent Dick Barton battles a ring of Nazi spies who are planning to poison the entire London water supply.
Colin Douglas , Campbell Singer , Jim O'Brady
James Marchant
Hammer Film Productions , Henry Halstead Productions
as Stark
as Sir George Cavendish
as Henchman in Fist Fight
