Mr. Wong in Phantom of Chinatown-1940. In the last of the Mr. Wong movies, Boris Karloff is replaced by Keye Luke as his nephew Jimmy Wong. In the middle of a pictorial lecture on his recent expedition to the Mongolian Desert, Dr. John Benton the famous explorer, drinks from the water bottle on his lecture table, collapses and dies. His last words “Eternal Fire” are the only clue Chinese detective Jimmy Wong and Captain Street of the police department have to work on. Win Lee, Benton’s secretary, reveals the doctor’s dying words refer to a scroll that tells the location of rich oil deposits. Wong and Street then begin the search for the killer among Benton’s associates. Starring Keye Luke, Grant Withers, and Lotus Long. Jimmy Wong is as smart as his uncle!