Never Mention Murder is a 1964 British second feature film directed by John Nelson Burton and starring Maxine Audley, Dudley Foster and Michael Coles.
Her husband, surgeon Philip Teasdale, has employed sleazy private investigator Felix Carstairs to tail them.
The unexpected requirement to give a lecture to an audience of student nurses foils his plan to kill Sorbo on the operating table.
The Monthly Film Bulletin wrote: "Such a very tall story, played for laughs, could have been wildly funny.
Visually, an obviously tiny budget is used with only moderate imagination, but a doctor, for once, on the wrong side of the law does make a change.