The Mysterious Mr. Davis is a 1939 British comedy drama film directed by Claude Autant-Lara and starring Henry Kendall, Kathleen Kelly and Alastair Sim.

[1] It was made as a quota quickie and distributed by the American company RKO Pictures.

[2] It was based on the 1928 novel The Partner by Jenaro Prieto and was released the same year as an Italian adaptation The Silent Partner.

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