When Charlie's old friend from Scotland Yard is murdered when they attend a police convention in New York, Chan picks up the case he was working on.
Sidney Toler
as Charlie Chan
Victor Sen Yung
as Jimmy Chan
Donald MacBride
as Insp. Vance
Leyland Hodgson
as Robert Boggs
Melville Cooper
as Herbert 'Snuffy' Fenton
John Sutton
as Richard Jeffery
Kane Richmond
as Ralph Percy
Marjorie Weaver
as Patricia Shaw
Robert Lowery
as David Elliot
Ricardo Cortez
as George Kirby
Frederick Worlock
as Insp. Hugh Drake
Joan Valerie
as June Preston
