[1][2][3] It was written by Richard Harris based on a story by Edgar Wallace.

The Monthly Film Bulletin wrote: "The original story from which this script was taken is not one of Edgar Wallace's better known efforts, but it is a good example of the type of mystery writing at which he excelled, even if the 'gimmick' surprise is not, in fact, surprising.

"[4] Kine Weekly wrote: "The entire cast thoroughly enters into the spirit of the extravagant malarky, and the director, too, sees that never a trick is missed ...

The picture has both ingenuity and invention and contains all the tension and excitement of popular 'murder' mystery without producing the corpse.

Eddie Byrne does an expert job as newshound Simon; Edward Underdown is a smooth Bennett: and Penelope Horner makes a glamorous and disarming Julie.