Mysterious Mr. Moto, produced in 1938 by Twentieth Century Fox, is the fifth in a series of eight films starring Peter Lorre as Mr.

[1] The film is based on the character of Mr. Moto created by John P. Marquand, from an original screenplay by Philip MacDonald and Norman Foster.

A daring escape is made from the French penal colony on Devil's Island by Mr. Moto, pretending to be Ito Matsuka, a Japanese murderer, and Paul Brissac, who belongs to a group of assassins.

[3] Filming took place in March and April 1938, shortly after completion of Mr Moto's Gamble.

[4] During filming Peter Lorre, as Moto, impersonated a seventy-year-old German painter.