The Monthly Film Bulletin wrote: "This attempt at a low-budget thriller, shot mainly on location, is undermined by the staggering improbabilities of the script.

The Dark Man has some excellent exterior camerawork, and both Natasha Parry and Edward Underdown show, in unrewarding parts, talent and personality.

"[3] The New York Times wrote: "this Julian Wintle production often stirs up a fair amount of suspense and absorption, chiefly because of the efficient direction of Jeffrey Dell, an excellent performance by Edward Underdown, as a detective, and a painless round-up of typical British "types" in minor roles.

But the scenario is a meandering affair overbalanced with too many sneering close-ups of its culprits, and ... anything but suggestive of the banner of the distributors, Fine Arts Films, Inc.".

"[5] Britmovie said, "Edward Underdown is clearly too old to be the young policeman and love interest, but brooding Maxwell Reed is very effective as the shadowy ‘Dark Man’.