A fact-based story about a man who posed as an American Communist for years as part of a secret plan to infiltrate their organization.
You can now watch I Was a Communist for the FBI online on the following streaming providers in the United States.
| Editing | Folmar Blangsted | Editor |
| Production | Bryan Foy | Producer |
| Directing | Gordon Douglas | Director |
| Camera | Edwin B. DuPar | Director of Photography |
| Writing | Crane Wilbur | Screenplay |
| Sound | Max Steiner | Original Music Composer |
| Directing | Jean Baker | Script Supervisor |
| Directing | Oren Haglund | Assistant Director |
| Art | Leo K. Kuter | Art Direction |
| Sound | Leslie G. Hewitt | Sound |
| Art | Lyle B. Reifsnider | Set Decoration |
| Costume & Make-Up | Gordon Bau | Makeup Artist |
