
Plot
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.
Trailer
Cast

Joachim Fuchsberger
Inspektor Ward

Brigitte Grothum
Leila Smith

Elisabeth Flickenschildt
Nelly Oaks

Klaus Kinski
Gregor Gubanow

Eddi Arent
Barnaby

Richard Münch
Dr. Collins

Jan Hendriks
Roger Lane

Heinz Engelmann
Mr. Broen

Siegfried Schürenberg
Sir John

Hela Gruel
Anna Smith

Hans Paetsch
Rechtsanwalt

Rudolf Fenner
Big Willy

Manfred Greve
Sergeant Frank

Gertrud Prey
Nurse

Friedrich G. Beckhaus
Betrunkener

Frank Straass
Donovan

Werner Van Deeg
Nachtwächter

Joachim Wolff
Polizist

Alfred Vohrer
Edgar Wallace ( Voice )