"Sinful Cargo" (1936) Action, Crime, Drama

An investigator looks into the activities of a movie producer he believes is involved in smuggling Asians into the U.S. (AKA "Yellow Cargo")

Director: Crane Wilbur
Writers: Crane Wilbur (original story), Crane Wilbur (screenplay)
Stars: Conrad Nagel, Eleanor Hunt, Vince Barnett

https://www.imdb.com/title/tt0028521/?ref_=fn_al_tt_1