Arriving at a police convention in New York, Charlie finds that an old friend from Scotland Yard has been murdered, so Chan picks up the case he was working on.
Sidney Toler as Charlie Chan
Marjorie Weaver as Patricia Shaw
Robert Lowery as David Elliott
Ricardo Cortez as George Kirby
Donald MacBride as Police Inspector Vance
Melville Cooper as Herbert Fenton
Joan Valerie as June Preston
Kane Richmond as Ralph Percy
Victor Sen Yung as Jimmy Chan