The plot is motivated by a pearl necklace, which has caused the death and/or ruination of all its owners. The second screen appearance of detective Charlie Chan.
Marian Nixon
as Sally Phillmore
Hobart Bosworth
as P.J. Madden
Florence Turner
as Mrs. Phillmore
Sôjin Kamiyama
as Charlie Chan
Slim Summerville
as Prospector
Edmund Burns
as Robert Eden
Anna May Wong
as Nautch Dancer
Albert Conti
as Martin Thorne
Fred Esmelton
as Alexander Eden
Edgar Kennedy
as Maydorf
George Kuwa
as Louis Wong
Dan Mason
as Prospector
