Soon after a Chinese princess comes to the US to buy planes for her people, she is murdered by a poison dart fired by an air rifle.
as Charlie Chan
as Sgt. Bill Davidson
as Peggy Cartwright
as Birmingham Brown
as Tommy Chan
as Captain Kong
as Captain James J. Kelso
as Armstrong
as Princess Mei Ling
as Cargo Officer
as Lillie Mae Wong
as Armstrong's Majordomo
as Police Guard at Apartment 26
as Kelso's Secretary
as Desk Sergeant
as Hotel Desk Clerk
as Lillie Mae Wong
as Dr. Hickey
as Pedestrian (uncredited)
as Chinese Boy (uncredited)
as Chinese Boy (uncredited)
as Detective (uncredited)
as Armstrong's Butler (uncredited)
as Kelso's Stenographer (uncredited)
as Dock Worker (uncredited)
as Dock Worker (uncredited)
as Hamishin (uncredited)
