Long before he became producer/director of The Tonight Show, Fred DeCordova helmed the Universal meller Illegal Entry. Howard Duff, who later worked with DeCordova on the TV series Mr. Adams and Eve, stars as Bert Powers, an undercover agent for the U.S. Department of Immigration. While attempting to bring a vicious gang of alien smugglers to justice, Powers falls in love with Anna Duvak (Marta Toren), a gang member who is Not What She Seems.
| Directing | Frederick de Cordova | Director |
| Writing | Joel Malone | Screenplay |
| Production | Jules Schermer | Producer |
| Camera | William H. Daniels | Director of Photography |
| Editing | Edward Curtiss | Editor |
| Art | Bernard Herzbrun | Art Direction |
| Art | Richard H. Riedel | Art Direction |
| Art | John P. Austin | Set Decoration |
| Art | Russell A. Gausman | Set Decoration |
| Costume & Make-Up | Yvonne Wood | Costume Design |
| Production | Edward Dodds | Production Manager |
| Directing | Fred Frank | Assistant Director |
