Keye Luke returned to the Chan mysteries, which were now being produced by Monogram and starred Roland Winters as Chan. "Number One Son" appeared in the last two Chan features, "The Feathered Serpent" (1948), along with "Number Two Son" Tommy Chan (Victor Sen Yung) in their only appearance together, and "Sky Dragon" (1949). In both of these films, Luke was older than the actor playing his father. Luke had a featured Broadway role in the Rodgers and Hammerstein musical "Flower Drum Song", directed by Gene Kelly in 1958. The original cast album captures his singing of the part of Mr. Wang, the family patriarch.