A treasury agent on the trail of counterfeit money confides to fellow ocean liner passenger, Charlie Chan, that there have been two attempts on his life.
| Actor | Role |
|---|---|
 Sidney TolerCharlie Chan | Charlie Chan |
 Gloria WarrenRona Simmonds | Rona Simmonds |
 Victor Sen YungJimmy Chan | Jimmy Chan |
 Rick VallinTao Erickson | Tao Erickson |
 Joseph CrehanCaptain Black | Captain Black |
 Willie BestChattanooga Brown | Chattanooga Brown |
 John HarmonFreddie Kirk | Freddie Kirk |
 Bruce EdwardsHarold Mayfair | Harold Mayfair |
 Dick ElliottP.T. Burke | P.T. Burke |
 Joseph AllenGeorge Brace | George Brace |
| AAmira MoustafaLaura Erickson | Laura Erickson |
 Tristram CoffinScott Pearson | Scott Pearson |
| AAlan DouglasMrs. Whipple | Mrs. Whipple |
 Selmer JacksonShip's Doctor | Ship's Doctor |
 Dudley DickersonBig Ben | Big Ben |