Clue of the Twisted Candle. (1960 film).

An unscrupulous businessman frames a rival for murder, then is himself found murdered in a locked room.

Bernard Lee as Superintendent Meredith
David Knight as Lexman
Francis De Wolff as Ramon Karadis
Colette Wilde as Grace
Christine Shaw as Linda Buckland
Stanley Morgan as Sergeant Anson
A. J. Brown as Commissioner of Police
Richard Caldicot as Fisher
Edmond Bennett as Manservant
Simon Lack as Jock
Anthony Baird as Sergeant Butterfield
Gladys Henson as Landlady
Alfred Maron as Finch
Richard Vernon as Viney
Harry Locke as Amis
Roy Purcell as Brennan
Kenneth Fortescue as Secretary, C.I.D.
Hazel Hughes as Miss Cunningham

Director: Allan Davis