Overview
Young aspiring actress Molly Lester witnesses a double murder, so its perpetrator, a killer known as The Dark Man, tries everything to maintain her silence.
Cast
- Edward Underdown as Detective Inspector Viner
- Maxwell Reed as The Dark Man
- Natasha Parry as Molly
- William Hartnell as Superintendent of Police
- Barbara Murray as Carol Burns
- Robert Long as Charles Burns
- Cyril Smith as Samuel Denny
- Leonard White as Detective Sergeant Evans
- Ernest Haines as Mostyn