There is an uncredited performance - an old woman speaking in the police station. It has not been possible to identify the actress (as of February 2017).
One of a series of second feature films based on Edgar Wallace novels, released between 1960 and 1965 in British cinemas. The films were later sold to American TV and screened there as The Edgar Wallace Mystery Theatre (1959).
The address for Arne Cliff House is shown as being in Sandbanks, Bournemouth. Sandbanks is in the neighbouring town of Poole rather than Bournemouth.
Went out on general release on the ABC circuit in August 1963 as supporting film to "Tamahine".
Opening credits: All characters and events in this film are fictitious and any similarity to actual persons and events is purely coincidental.