Mystery Liner is a 1934 American Pre-Code film directed by William Nigh,[1] starring Noah Beery, Sr., and based on an Edgar Wallace story originally published in the Saturday Evening Post in 1924.

[3] Captain Holling (Beery) is relieved of command of his ship after he suffers a nervous breakdown.

His replacement, Captain Downey (Howard), takes over the liner just as it is about to be used for an experiment in remote control.

However, as Grimson demonstrates the system, a rival group is listening in, hoping to use the device for its own purposes.

Typical low-budget fare, Mystery Liner is nevertheless well photographed by Archie Stout and for the most part capably acted" ;[3] and TV Guide noted "a fine example of a well-made thriller created on the programmer assembly line...Veteran director William Nigh does a typically professional job with the few resources at his disposal and cinematographer Archie Stout (who would eventually win an Oscar for his work on John Ford's The Quiet Man, 1952) contributes some exceptional camerawork.