Black militants building up an arsenal of weapons in preparation for a race war are betrayed by one of their own.
| Directing | Jules Dassin | Director |
| Writing | Jules Dassin | Writer |
| Writing | Ruby Dee | Writer |
| Writing | Julian Mayfield | Writer |
| Writing | Liam O'Flaherty | Novel |
| Sound | Booker T. Jones | Original Music Composer |
| Camera | Boris Kaufman | Director of Photography |
| Editing | Robert Lawrence | Editor |
| Art | Alexandre Trauner | Production Design |
| Art | Brook Simons | Art Direction |
| Art | Ray Moyer | Set Decoration |
| Costume & Make-Up | Theoni V. Aldredge | Costume Design |
| Production | Jules Dassin | Producer |
| Costume & Make-Up | Robert Sidell | Makeup Artist |
| Art | John Hubley | Title Designer |
| Art | Faith Hubley | Title Designer |
