"MOST THRILLING PICTURE SINCE "HOUSE ON 92ND STREET"!"
An FBI agent works with a refugee scientist and the Coast Guard to crack a Soviet spy ring in Boston.
Director
Alfred L. Werker
Status
Released
George Murphy
Inspector James 'Jim' Belden
Finlay Currie
Professor Albert Kafer
Virginia Gilmore
Millie / Teresa Zalenko
Karl Stepanek
Alexi Laschenkov / Gregory Anders
Louisa Horton
Mrs. Elaine Wilben
Peter Capell
Chris Zalenko / Gino
Bruno Wick
Luther Danzig
Vilma Kurer
Mrs. Rita Foss
