Das Gashaus an der Themse (1962)

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.

Directed by: Alfred Vohrer

Starring: Joachim Fuchsberger, Brigitte Grothum, Elisabeth Flickenschildt, Klaus Kinski, Eddi Arent, Richard Münch

Links: IMDb, Movie posters, Movie stills