Other titles: The Mystery of Mr. Wong | Mistério de Mr. Wong | O Misterioso Mr. Wong | Näkymätön murhaaja | Le mystère de Mr. Wong | Vendetta | Mistérios da China | Тайна мистера Вонга | El misterio de Mr. Wong
Year Released: 1939
Month released: March
Certification: Finland:K-16, Norway:7, United Kingdom:U, United States:Approved, United States:Passed
Directors: William Nigh
Cast: Boris Karloff, Bruce Wong, Chester Gan, Craig Reynolds, Dick Morehead, Dorothy Tree, Grant Withers, Holmes Herbert, Hooper Atchley, I. Stanford Jolley, Ivan Lebedeff, Jack Kennedy, Joe Devlin, Lee Tong Foo, Lotus Long, Morgan Wallace, Steve Carruthers, Wilbur Mack
Production Companies: Monogram Pictures
Additional Crew: E.R. Hickson
Certification: Finland:K-16, Norway:7, United Kingdom:U, United States:Approved, United States:Passed
Cinematographers: Harry Neumann
Colorization: Black and White
Costume department: Louis Brown
Country: United States
Distributors: Alpha Video Distributors, Associated Artists Productions (AAP), Critics' Choice Video, Film Detective, Kino Lorber Studio Classics, Monogram Pictures, Motion Pictures for Television (MPTV), Pathé Pictures Ltd., Reel Media International, ROKiT FLIX, Suomi-Filmi, VCI Entertainment, VCI Home Video
Editors: Russell F. Schoengarth
Genre: Mystery
Languages: English
Music Department: Edward J. Kay
Other Companies: Collier's Magazine, International Alliance of Theatrical Stage Employees (IATSE), Western Electric
Sound Department: Karl Zint