MOST THRILLING PICTURE SINCE "HOUSE ON 92ND STREET"!
5.2
98 min
An FBI agent works with a refugee scientist and the Coast Guard to crack a Soviet spy ring in Boston.
| Name | Character | Team | |
|---|---|---|---|
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George Murphy | Inspector James 'Jim' Belden | Unowned |
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Finlay Currie | Professor Albert Kafer | Unowned |
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Virginia Gilmore | Millie / Teresa Zalenko | Unowned |
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Karl Stepanek | Alexi Laschenkov / Gregory Anders | Unowned |
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Louisa Horton | Mrs. Elaine Wilben | Unowned |
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Peter Capell | Chris Zalenko / Gino | Unowned |
| Bruno Wick | Luther Danzig | Unowned | |
| Vilma Kurer | Mrs. Rita Foss | Unowned | |
| Ann Thomas | Philadelphia Suspect | Unowned | |
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George Roy Hill | Nicholas Wilben | Unowned |
| Karl Weber | FBI Agent Charlie Reynolds | Unowned | |
| Michael Garrett | Michael Dorndoff aka Frank Torrance | Unowned | |
| Lotte Palfi Andor | Anna Kafer | Unowned | |
| Ernest Graves | Robert Martin | Unowned | |
| Robert Carroll | Boldany | Unowned | |
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Wolfgang Zilzer | August Helmuth | Unowned |
| Bradford Hatton | Harry Mason | Unowned | |
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Rosemary Pettit | Mrs. Martin | Unowned |
| Eva Condon | Landlady | Unowned | |
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Steve Mitchell | Samson | Unowned |
| John Farrell | Taxi Driver (uncredited) | Unowned | |
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Nancy Hale | Mrs. Belden (uncredited) | Unowned |
| Westbrook Van Voorhis | Narrator (voice) (uncredited) | Unowned | |
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Mary Young | Old Lady (uncredited) | Unowned |
| Suzanne Moulton | Sherry Belden (uncredited) | Unowned |