Chan is faced with suspects in a stolen atomic bomb formula case, that are being killed with bullets that are not fired from a gun.

Top Cast

Sidney TolerCharlie Chan

Fortunio BonanovaInsp. Luis Carvero

Benson FongTommy Chan

Robert Emmett KeaneAlfred Wyans (as Robert E. Keane)

Willie BestChattanooga Brown

Carol HughesMarguerite Fontain

Marjorie HoshelleCountess Irena Masak

Barton YarboroughJoseph Brandish