Colonel March of The Department of Queer Complaints investigates unusual cases, locked-room murders, and mysteries concerning the supernatural.
Cast:Boris Karloff , Ewan Roberts , Eric Pohlmann , Doris Nolan , Phil Brown , Anton Diffring , Marne Maitland , Alan Wheatley , Karel Stepanek , Christopher Lee , Hugh Williams , Jane Griffiths , Hubert Gregg , Betty Paul , Mary Parker , Stuart Lindsell , Virginia Downing , Zena Marshall