Whenever a criminal is killed in London, a black Jaguar is nearby, with a white cat always sitting in the passenger seat. Inspector Higgins and Inspector Lane find a joker card on all the victims. Their investigation leads them to a diamond smuggling ring.
DIRECTOR
CAST
Joachim Kemmer
Chiefinspector Higgins
Leslie Phillips
Sir John
Eddi Arent
Flatter
Gisela Uhlen
Lady Smith