Two full-cast BBC Radio 4 dramatisations of Ngaio Marsh short stories.
In Opening Night, a leading actor is found gassed in his dressing room. It looks like suicide, until it transpires that he was widely detested. Inspector Alleyn quickly realises that almost everyone in the theatre had a motive for his murder.
Jeremy Clyde stars as Inspector Alleyn.

When In Rome finds Inspector Alleyn joining a group of highly suspicious tourists on a visit to a Roman catacomb. The corpse he finds in an ancient sarcophagus has been very recently murdered...