1960 · Allan Davis · 61 min
A man is murdered in a room with no windows and a steel lined door which locks only from the inside.
Bernard LeeSuperintendent Meredith
David KnightLexman
Francis de WolffRamon KaradisColette WildeGraceChristine ShawLinda BucklandStanley MorganSergeant Anson
Richard CaldicotFisherEdmond BennettManservantSimon LackJock
Anthony BairdSergeant Butterfield
Gladys HensonLandladyAlfred MaronFinch
Richard VernonViney
Harry LockeAmis
Roy PurcellBrennan