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.
Sidney Toler
as Charlie Chan
Mantan Moreland
as Birmingham Brown
Arthur Loft
as Inspector Jones
Gwen Kenyon
as Inez Arranto
Sarah Edwards
as Mrs. Hargue
George J. Lewis
as Paul Arranto
Marianne Quon
as Iris Chan
Benson Fong
as Tommie Chan
Muni Seroff
as Peter Laska
Barry Bernard
as David Blake
CinemaSerf
I found the dynamic for these mysteries was rarely better than when our Hawaiian detecting duo was father and No.2 son "Jimmy". This first Monogram production involves the weaker supporting character of "Tommy" (Benson Fong) as well as his sister "Iris" (Marianne Quon) and a debut from the inimitabl...