In 1840s London, Dr. Thomas Bolton [Boris Karloff] dares to dream the unthinkable: experimenting with anesthesia gases to make surgery pain-free. While doing so, his demonstration before a panel of his peers ends in a horrific mishap with his patient awakening under the knife; he is forced to leave his position in disgrace. To complicate matters, he becomes addicted to his own chemical experiments and gets involved with a criminal gang led by Black Ben [Francis de Wolff], and a ruthless killer Resurrection Joe [Christopher Lee]. Unfortunately, this shady partnership leads Dr. Bolton to further ruin, culminating in his unwitting participation in murder — for which he becomes the first victim of a blackmail scheme.

Great Britain has had an international agreement for the last 50 years with a small pacific island. It has been ignored until the death of their king brings it to the attention of the Foreign Office in Whitehall. They decide to send Cadogan de Vere Carlton-Browne to re-establish friendly relations.

Jamaican obi-man hexes student hostel manager, eventually causing the manager's death, before being killed himself by the manager's vengeful spirit.

Lawrence Payne stars as Major Kellor, a well respected and decorated officer who is being court-martialled for the murder of his commanding officer Colonel Winch. The facts of the case are shrouded by the mayhem of war and the effects that fear, pressure and duty have upon a soldier. Did the Major covet the Colonel's wife? Was the Major ambitious and kill Winch to secure a promotion? Or had the Colonel cracked under the pressure of an illustrious battle career? To prove his innocence Major Keller must rely on the evidence and testimonies given in court, however when he himself is the only witness, his word may not be good enough to win his freedom.

A young man searches for the father he never knew, who he believes to be a millionaire.

Fed up with her wealthy but abusive husband, Tom (Basil Dignam), young English homemaker Laura Wilton (Anne Heywood) conspires with her lover, American Army captain Dave Dillon (Robert Arden), to have her boozy spouse meet an "accidental" demise. But a nosy copper (Denis Shaw) suspects foul play, and soon the lovers' crafty scheme deteriorates into fear, distrust and betrayal. Paul Dickson directs this vintage noir thriller.

Band leader Frank Martin is convicted and sentenced to death for murdering the owner of a club in which he had performed. Frank's innocent of the crime, and singer Ruth Chapman can provide him with an alibi. But Ruth is missing, and records show she died years before. As Frank awaits execution, he enlists the help of his heiress girlfriend and his lawyer to clear his name.

A shipping tycoon with a record becomes a suspect when money goes missing from the company vault.

Brothers Michael and David Tremayne decide to steal the Crown Jewels from the Tower of London, not for criminal purposes, but to make themselves famous.

American airman loves English girl whose father refuses permission for their marriage out of hatred for all Yankees.