The Sinister Man is a 1961 British crime drama film directed by Clive Donner and starring Patrick Allen and John Bentley.

The wafers are bits of ancient text that could alter the relations between Red China and a Tibetan type nation called "Kytang".

Clive Donner's direction has intermittent punch, but the jaded format of these Edgar Wallace quickies is beginning to defeat any attempt at even the simplest kind of style.

"[5] MemorableTV.com described the film as "definitely one of the great Edgar Wallace entries with a fab cast that includes a pre-Steptoe Wilfred Brambell, Patrick Allen, William Gaunt and Burt Kwouk.

John Bentley who took the lead as Superintendent Willis was a popular actor in the late fifties and early sixties but is all but forgotten these days.