Someone is attempting to steal radium stored in a bank. Death by cobra venom connects a number of murders. Charlie Chan investigates.

Sidney Toler
as Charlie Chan

Benson Fong
as Tommy Chan

Mantan Moreland
as Birmingham Brown

James Cardwell
as Ned Stewart

Joan Barclay
as Paula Webb

Walter Fenner
as Police Inspector Harry Davis

Roy Gordon
as Walter Fletcher

Arthur Loft
as Bradford Harris

Addison Richards
as John Adams

Janet Warren
as Record Machine Operator
CinemaSerf
This rather basic feature sees Sidney Toler's "Charlie" with son "Tommy" (Benson Fong) and chauffeur "Birmingham Brown" (Mantan Moreland) investigating the murder of three folks working at a bank. What makes it more curious is that these people have been done away with using cobra venom - and this r...