USA
A disillusioned, bitter ex-GI gets involved with the Communist party, and winds up falling in love with one of his "instructors." At first true believers, they realize their mistake when they witness Party leaders murder a member who questions the party's principles. They try to leave the party, but are marked for murder and hunted by the party's assassins. - IMDb
| La amenaza roja |  Mexico |
| The Enemy Within |  Australia |
| The Enemy Within |  United Kingdom |
| I kokkini apeili (transliterated title) |  Greece |
| La minaccia |  Italy |
| The Red Menace |  Canada |
| The Red Menace |  France |
| The Red Menace | United Kingdom |
| The Red Menace | USA |
| Underground Spy (reissue title) | USA |
| Красная угроза |  Russia |
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Jimmy Hawkins [7] | Jimmy |
