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Ilona Massey as Maria Sorenson |
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Jon Hall as Frank Raymond |
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Peter Lorre as Baron Ikito |
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Cedric Hardwicke as Conrad Stauffer |
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J. Edward Bromberg as Karl Heiser |
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Albert Bassermann as Arnold Schmidt |
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John Litel as John Gardiner |
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Holmes Herbert as Sir Alfred Spencer |
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Keye Luke as Surgeon |
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Sven Hugo Borg as German Captain (uncredited) |
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John Burton as R.A.F. Flier (uncredited) |
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Lane Chandler as German Sentry (uncredited) |
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Mabel Colcord as Gretl (uncredited) |
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James Craven as Ship's Radio Man (uncredited) |
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Donald Curtis as German Sentry (uncredited) |
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Leslie Denison as British Radio Operator (uncredited) |
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Eddie Dunn as S.S. Prison Guard (uncredited) |
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Lee Tung Foo as Gen. Chin Lee (uncredited) |
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Henry Guttman as Storm Trooper (uncredited) |
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Bobby Hale as English Tommy (uncredited) |
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John Holland as Spencer's Secretary (uncredited) |
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Patrick McVey as German (uncredited) |
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John Merton as German Soldier (uncredited) |
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Alberto Morin as Free Frenchman (uncredited) |
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Ferdinand Munier as Bartender (uncredited) |
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William Pagan as Storm Trooper (uncredited) |
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Eddie Parker as Strongman Thug (uncredited) |
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Charles Regan as Ordnance Car Driver (uncredited) |
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Otto Reichow as Gestapo Agent (uncredited) |
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William Ruhl as Gestapo Agent (uncredited) |
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Ferdinand Schumann-Heink as German Telephone Operator (uncredited) |
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Hans Schumm as SS Man (uncredited) |
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Wallace Scott as English Tommy (uncredited) |
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Lee Shumway as Brigadier (uncredited) |
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Milburn Stone as German Sergeant (uncredited) |
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Walter Tetley as Newsboy (uncredited) |
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Philip Van Zandt as SS Man (uncredited) |
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Michael Visaroff as Verichen (uncredited) |
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Phil Warren as German Soldier (uncredited) |
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Pat West as German Taxi Driver (uncredited) |
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Matt Willis as Nazi Assassin (uncredited) |
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Duke York as German Sentry (uncredited) |
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Wolfgang Zilzer as Von Porten (uncredited) |
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Victor Zimmerman as Storm Trooper (uncredited) |
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Henry Zynda as Col. Kelenski (uncredited) |
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Charles Flynn as German Soldier (uncredited) |
| Directing | Edwin L. Marin | Director |
| Production | Frank Lloyd | Producer |
| Writing | H. G. Wells | Novel |
| Production | George Waggner | Associate Producer |
| Sound | Hans J. Salter | Original Music Composer |
| Camera | Lester White | Director of Photography |
| Editing | Edward Curtiss | Editor |
| Art | Jack Otterson | Art Direction |
| Art | Russell A. Gausman | Set Decoration |
| Costume & Make-Up | Vera West | Costume Design |
| Visual Effects | John P. Fulton | Visual Effects |
| Writing | Curt Siodmak | Screenplay |
| Directing | Vernon Keays | Assistant Director |
| Art | Robert F. Boyle | Assistant Art Director |
| Art | Edward R. Robinson | Assistant Set Decoration |
| Sound | Bernard B. Brown | Sound Director |
| Sound | William Hedgcock | Sound Engineer |
| Crew | David S. Horsley | Special Effects |
| Visual Effects | John P. Fulton | Visual Effects Camera |
| Visual Effects | Roswell A. Hoffmann | Visual Effects Camera |
| Crew | Eddie Parker | Stunts |
| Crew | Duke York | Stunts |
| Sound | Hans J. Salter | Music Director |
| Sound | Richard Hageman | Music |
| Sound | Frank Skinner | Music |
| Visual Effects | Roswell A. Hoffmann | Visual Effects |