Charlie Chan is an agent of the US government working in Washington DC and he is assigned to investigate the murder of the inventor of a highly advanced torpedo. Aiding Chan is his overeager but dull-witted son Tommy and his daughter Iris.
as Charlie Chan
as Birmingham Brown
as Inspector Jones
as Inez Arranto
as Mrs. Hargue
as Paul Arranto
as Iris Chan
as Tommie Chan
as Peter Laska
as David Blake
as Luis Philipe Vega
as Lewis
as Mrs. Winters
