A Korean War veteran returns to Washington D.C. only to discover his business partner had died and their public-research business sold, so he works there undercover to find out the truth.
| Directing | Jacques Tourneur | Director |
| Writing | Elliot West | Screenplay |
| Writing | Chris Appley | Screenplay |
| Writing | Darwin L. Teilhet | Novel |
| Production | Martin H. Lancer | Producer |
| Production | Leon Chooluck | Associate Producer |
| Sound | Irving Gertz | Music |
| Camera | Sam Leavitt | Director of Photography |
| Editing | J.R. Whittredge | Editor |
| Directing | Eugene Anderson Jr | Assistant Director |
| Costume & Make-Up | Frank Roberts | Costume Design |
| Art | Serge Krizman | Art Direction |
| Art | James Roach | Set Decoration |
| Costume & Make-Up | Dave Grayson | Makeup Artist |
| Art | Irving W. Sindler | Property Master |
| Sound | John K. Kean | Sound |
| Sound | James Nelson | Sound Effects Editor |
| Camera | James Almond | Other |
| Editing | Paul Laune | Associate Editor |
| Sound | Harry Eisen | Music Editor |
| Sound | Irving Gertz | Conductor |
| Directing | Dolores Rubin | Script Supervisor |
