Third Mr. Moto film to be produced, but the second one released. Generally considered to be the best of all 8 entries.
This is the only chapter in the Mr. Moto series to be based on an original Mr. Moto novel.
The McGuffin in John Marquand's original novel was stolen Chinese art treasures, but that was changed in the film adaptation to seven scrolls which, when combined, would lead to the location of Genghis Khan's hidden tomb and treasure.
Stuntman Jack Woody was hit in the neck by a ricocheting bullet. The accident barely interrupted his work.
The car driven by Tom Nelson (Thomas Beck) is a 1933 Chevrolet Eagle Roadster.