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
Mantan Moreland
Arthur Loft
Gwen Kenyon
Sarah Edwards
George J. Lewis
Marianne Quon
Benson Fong
Muni Seroff
Barry Bernard
Gene Roth
Eddy Chandler
Lelah Tyler