FBI agents Allan Harper and Tommy Baker are in charge of a group of subversives, spies and saboteurs that the US government is deporting to foreign countries aboard a ship. The deportees attempt to take over the ship.
| Actor | Role |
|---|---|
 Paul KellyAllan Harper | Allan Harper |
 Lola LanePatricia Marshall | Patricia Marshall |
 Larry ParksTommy Baker | Tommy Baker |
 Trevor BardetteErnst Madek | Ernst Madek |
 Cy KendallCondor | Condor |
 Roger ImhofCapt. Randall | Capt. Randall |
 Eddie LaughtonTurillo | Turillo |
 John TyrrellSam | Sam |
 Byron FoulgerWasserman | Wasserman |
 Dwight FryeRader | Rader |
 Kenneth MacDonaldGorman | Gorman |
 Dick CurtisVan Brock | Van Brock |