A serial killer named The Shark is terrorizing London by killing his victims with a speargun and then, dressed in a scruba-diver's wetsuit, using the city's sewer tunnels to make his getaway.
Joachim Fuchsberger
as Inspektor Ward
Brigitte Grothum
as Leila Smith
Elisabeth Flickenschildt
as Nelly Oaks
Klaus Kinski
as Gregor Gubanow
Eddi Arent
as Barnaby
Richard Münch
as Dr. Collins
Jan Hendriks
as Roger Lane
Heinz Engelmann
as Mr. Broen
Siegfried Schürenberg
as Sir John
Hela Gruel
as Anna Smith
Hans Paetsch
as Rechtsanwalt
Rudolf Fenner
as Big Willy
