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.
Joachim Kemmer
Julia Bremermann
Leslie Phillips
Eddi Arent
Gisela Uhlen
Pinkas Braun
Karin Gregorek
Arthur Brauss
Henry Hübchen
Horst-Günter Marx
Christiane Reiff
Ralf Richter
Martin Semmelrogge
Bev Willis
Reinhard Scheunemann
Sven-Eric Bechtolf
Volker Ranisch
Rene Reinhardt
John Barrard
Eric Longworth
Günter Zemke
Dirk Prinz
Gert Stamm
Norbert Tefelski
Silvester Berger
Matthias Wendlandt
Ian Peck
Michael Nowak