[1] The screenplay was by Robert Banks Stewart, based on the 1924 Edgar Wallace novel The Three Oak Mystery.
[2] It is part of the series of Edgar Wallace Mysteries films made at Merton Park Studios from 1960 to 1965.
A convict escapes from jail, only to discover that his girlfriend has married the police officer who arrested him.
Marriage of Convenience was the first of the Edgar Wallace series to be allocated to the Rank circuit for general release.
The Monthly Film Bulletin wrote: "Altogether a disappointing addition to Merton Park's new Edgar Wallace series, in that Clive Donner's surprisingly stiff, journeyman style of direction provides nothing to compensate for the generally amateurish level of performance and writing.