Phil Rosen Director Keye Luke James Lee "Jimmy" Wong Actor Lotus Long Win Len Actor Grant Withers Capt. Street Actor Paul McVey Detective Grady Actor Charles Miller Dr. John Benton, Cyrus Benton in Newspaper Actor Virginia Carpenter Louise Benton Actor Huntley Gordon Dr. Norman Wilkes Actor John Dilson Charlie Frasier Actor John Holland Mason Actor George Waggner Screenwriter Paul Malvern Producer Edward J. Kay Music Fred Jackman Jr. Cinematographer Jack Ogilvie Film Editing Charles Clague Art Director