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
Gene Roth
as Morgan
Joe Devlin
as Taylor
