Government agent Dick Barton battles a ring of Nazi spies who are planning to poison the entire London water supply.
Director
Alfred J. Goulding
Status
Released
Don Stannard
Dick Barton
George Ford
Snowey White
Jack Shaw
Jock
Gillian Maude
Jean
Geoffrey Wincott
Dr. Casper
Farnham Baxter
Roscoe
Morris Sweden
Regan
Beatrice Kane
Betsy Horrock
