[1] In a contemporary review, The Monthly Film Bulletin wrote: "A holding thriller, with a fairly plausible London background, racy direction, occasional laconic humour, and skilful though!

"[7] Variety described it as "a conventional but brisk gangster yarn," concluding that "Herbert Lom plays the brains of the crooked organization with urbane villainy and equally reliable John Gregson makes a solid, confident job of the dedicated cop.

Comparative newcomer, rugged Sean Connery makes a distinct impression as an Irish crook, with an eye for the ladies.

The story is about London gangsters falling out over a protection racket, and features a young Sean Connery and a pre-Pink Panther Herbert Lom at his most seedily sinister.

"[9] According to a review on the AllMovie website: "The film itself is only of moderate interest, a gangster thriller that's engaging but not special; but the cast makes it worth watching.